who was the first african american inventor to get a patent

Answers

Answer 1

Most students of history concur that Thomas L. Jennings is the main African American patent holder in the US. Jennings created a method for drying clean garments in 1821. Judy W.

A patent is an administration award to a designer for a creation. George Washington marked the principal patent regulation on April 10, 1790. The law gave patent holders the sole right to make and sell their creation for a long time. It keeps others from replicating their development and bringing in cash off it during that time. The Patent Act energizes progress in science by permitting patent holders the option to get by from their own imagination.

To get a patent, a creation should be new and contribute something valuable. A patent can't be conceded to something that has previously been created, yet a patent can be conceded to work on a generally existing innovation. Patents can be allowed to machines, items, gadgets, and cycles. Chemical compounds, food, drugs, and the cycles to create these things can likewise be patented.

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Related Questions

what is one reason for a general pressure to conform in american society during the 1950s?

Answers

One reason was in the post war period, most of the people just wanted to live quiet lives.

how did government in sparta differ from government in athens?

Answers

Sparta was ruled by two kings who held office until their demise or removal. Athens was ruled by archons, who were elected regularly.

How did sparta differ from government in athens?

Because Sparta was an oligarchy and Athens was a democracy, they were different from one another. Additionally, Athens intended to develop educated citizens rather than just soldiers, whereas Spartans placed a heavy emphasis on the military and that was their primary objective in raising strong males for the military.

Therefore, because both arms of the Athens government included elected officials, Athens is considered as the origin of democracy. In Athens, boys received a well-rounded education while girls were only taught housekeeping. Boys and girls in Sparta received physical education to stay in shape.

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what invasion that failed miserably planned by president eisenhower and carried out by kennedy?

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The invasion that failed miserably planned by president eisenhower and carried out by kennedy is Bay of Pigs.

On April 17, 1961, 1,400 Cuban exiles began what ultimately turned out to be a futile attack at the Bay of Pigs on Cuba's southern coast. During the Kennedy administration, the CIA organized the Bay of Pigs Invasion in an effort to overthrow Cuban leader Fidel Castro.

CIA analysts had overlooked coral reefs in the shallow waters of the Bay of Pigs when analyzing reconnaissance images, which caused landing craft to slow down and rendered two boats inoperable. The red signal light of a frogman offshore also unintentionally flickered.

The worst kept secret in history was the US involvement in the Bay of Pigs affair. To be fair to President Kennedy, he accepted full responsibility for the error.

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what is jay gould's last education?

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Jay Gould, born on May 27, 1836, was an American railway superintendent and fiscal tipster. His formal schooling finished whilst he turned sixteen years old, and he didn't do further studies.

Gould was the son of an agriculturist and a trader, and he spent important of his childhood working on his family's ranch. At the age of 16, he left home and worked as annalist and also evaluator for a railway agency

Regardless of his lack of schooling, Gould becomes a largely successful businessman and financier. He made wealth by investing in roads and other industriousness, and he was one of the rich men in the United States during his continuance.

While Gould didn't have a formal education, he was known for his intelligence and his capability to speedily understand complex fiscal and business matters.

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What were some of the main goals of the Second New Deal?
Select all that apply.

establish a national welfare program


improve worker job security


build up the country’s military capacity


strengthen farms and small farmers


create new state banks

Answers

Answer:Improve worker job security

Explanation:

The Second New Deal was a set of programs and policies implemented by the administration of President Franklin D. Roosevelt in the United States in the 1930s in response to the Great Depression.

What were some of the main goals of the Second New Deal?

In order to combat the Great Depression, President Franklin D. Roosevelt's government in the United States introduced a number of programs and policies known as the Second New Deal in the 1930s. The following were some of the Second New Deal's primary objectives:

Boost employee employment securitybolstering farms and small farmersestablishing new state banks

The Works Progress Administration (WPA) and the Social Security Act were two programs included in the Second New Deal that were intended to help the poor and unemployed, but the Second New Deal did not create a formal national welfare system. The Second New Deal did feature certain initiatives to advance industrial productivity and get the nation ready for war, but it did not have as its primary objective strengthening the nation's military might.

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"There is no town in the world where the distance between the rich and the poor is so great, or the barrier between them so difficult to be crossed. The separation between the different classes, and the consequent ignorance of each other's habits and condition, are far more complete in this place than in any other country in Europe, or even in the rural areas of Britain. There is far less personal communication between the master cotton spinner and his workmen and between the master tailor and his apprentices than there is between the Duke of Wellington and the humblest laborer of his estate, or than there was between King George III and the lowliest errand boy in his palace. I mean this not as a matter of blame, but I state it simply as a fact."
Richard Parkinson, English clergyman of the Anglican Church, "On the Present Condition of the Laboring Poor in Manchester," paper published in London, 1841
The disparities of wealth mentioned by Parkinson in the passage are best explained in the context of the____

Answers

The dis-parities of wealth mentioned by Parkinson in the passage are best explained in the context of the disparity and inequality between the poor and the rich.

Richard Parkinson was a adventurer and anthropologist and his full name was Richard Heinrich Robert Parkinson.

According to him- There is no place in the entire globe where the gap between the wealthy and the poor is as wide or as difficult to cross. There is less communication between poor and rich. The section of the society is divided into two.

A comparison of the wealth of various individuals or groups within a society is known as the wealth distribution. It demonstrates a particular section of economic inequality or heterogeneity.

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Read the passage about Dr. John Snow.

In 1849, doctor John Snow began to question the long-held beliefs that disease was caused by “bad air.” When a cholera epidemic broke out in London, he interviewed residents of the hardest-hit areas. He mapped cases of the disease and determined that they were centered around a particular water pump. To test his theory that contaminated water was to blame, he convinced local leaders to disable the pump by removing the pump’s handle. The outbreak came to an end.

What was Dr. Snow’s hypothesis?

Cholera was caused by “bad air.”
Cases were centered around a water pump.
Contaminated water caused cholera.
Leaders should disable the water pump.

Answers

Cholera was caused by bad air because a hypothesis basically assuming it was because of bad air with no back up info now that he has back up info his conclusion would be because of the water pump

Answer: B

Explanation:

Cases were centered around a water pump

To what extent was Stalin’s 5 Year-Plan successful in transforming agriculture and industry in the Soviet Union between 1928-1941 essay

Answers

Stalin's Five-Year Plan was a series of economic policies aimed at transforming the Soviet Union from an agricultural nation into an industrial superpower. It was launched in 1928 and was intended to run until 1933, but it was eventually extended to 1941 due to the outbreak of World War II.

Why did Stalin introduce the five-year plans?

To hasten the industrialization process in the Soviet Union and enable it to compete with the output levels of advanced capitalist economies, Stalin introduced his First Five-Year Plan in 1928.

The plan's success in transforming agriculture and industry in the Soviet Union between 1928-1941 has been the subject of much debate among historians. In this essay, we will explore the extent to which the Five-Year Plan was successful in achieving its goals.

One of the key objectives of the Five-Year Plan was to transform agriculture in the Soviet Union by collectivizing farming and increasing agricultural productivity.

This involved the consolidation of small farms into large collective farms, where farmers would work together to produce crops and livestock. The government provided support in the form of machinery, seed, and fertilizer, and farmers were required to sell their produce to the state at fixed prices.

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what is committee of 300

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The Committee of 300, also known as the Olympians, is a group that is alleged to be made up of powerful individuals who seek to control world events.

According to conspiracy theories, the Committee of 300 is made up of political leaders, bankers, businessmen, and other influential figures who work together to manipulate global events in order to maintain their power and influence.

However, there is no concrete evidence to support the existence of the Committee of 300, and many people view it as a product of conspiracy theories.

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NEED HELP ASAP
The crowds often missed the point of Jesus’ miracles. How did Jesus correct and redirect them in John 6:26-29.

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Answer:

In John 6:26-29, Jesus corrected and redirected the crowds who had missed the point of his miracles. He told them that it was not to be used for their satisfaction of physical hunger but was instead a spiritual sign that pointed to the Bread of Life himself. He reminded them that it is not only through miraculous feeding that they would gain eternal life, but it was through believing in him and trusting in his power to forgive their sins and lead them to salvation.

what does matthew 5:43-48 mean?

Answers

Matthew 5:43-48 is part of Jesus' Sermon on the Mount, in which he teaches about love and how to treat others.

These verses specifically discuss the importance of loving not only those who are kind to us, but also our enemies. Jesus instructs his followers to love their enemies and pray for those who persecute them, as this is what sets them apart as children of God. He also reminds them that even those who do not follow God are capable of loving those who love them, but true righteousness comes from loving and showing kindness to those who may not deserve it. These verses challenge believers to go beyond the societal norms of only showing love to those who are kind to us, and instead strive to love and treat all people with kindness and compassion.

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What was Richard Ramirez's childhood and family like?

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As a teenager, Ramirez became involved in drug use and petty theft. He dropped out of high school in the ninth grade and moved to California, where he began to commit burglaries and other crimes. In 1984, he began his killing spree, which lasted for over a year and included the rae and murder of at least 13 people.

Ramirez's family was deeply affected by his crimes, and his sister, Ruth, reportedly turned him in to the police after recognizing his description in news reports. Ramirez was eventually convicted of his crimes and sentenced to death. He died in prison in 2013 while awaiting execution.

In times of excessive workload, Richard did not answer to the roommate's query in response to auditory alarms (reading a mystery novel). This failing, known as inattentional deafness, is frequently attributed to a heavy workload when working with images because it lowers one's ability to comprehend information.

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How did the launching of Sputnik I affect the United States?

Answers

Answer:

The fact that the Soviets were successfully fed fears that the U.S. military had generally fallen behind in developing new technology. As a result, the launch of Sputnik served to intensify the arms race and raise Cold War tensions.

Explanation:

Sputnik's launch fueled the space race between the Soviet Union and the United States, intensifying the tensions between the two countries locked in the Cold War. But this space race also powered leaps in science and engineering, and eventually peaceful cooperation in space.

who said give me liberty or death

Answers

Answer:

Patrick Henry

Explanation:

The Ford Company laid off two-thirds of the workers during the Great Depression. In
response the Ford Hunger March in 1932 started as a demonstration but resulted in violence.
Farmers also organized groups such as the Farm Holiday Association to help with farming costs
that also often turned violent. Do you think actions from such groups to get assistance during the
Great Depression were helpful? Explain your thoughts!!! quick please!!

Answers

Answer:

It is worth noting that the actions of groups such as the Ford Hunger March and Farm Holiday Association were born out of desperation and a need for assistance during a time of extreme economic hardship. While some of their actions may have turned violent, it is important to recognize the systemic issues that led to their formation and the larger context of the Great Depression. In general, it is important to support marginalized and struggling communities during times of crisis, and to work towards systemic change that addresses the root causes of economic inequality and hardship.

All of the following statements regarding the Philippine-American War are true EXCEPT

Answers

Regarding the Philippine-American War, the statement stating that the war began with the assassination of Emilio Aguinaldo, president of the First Philippine Republic, is incorrect.

The First Philippine Republic and the United States engaged in combat during the Philippine-American War, also known as the Filipino-American War, which lasted from February 4, 1899, until July 2, 1902. Following the Spanish-American War, when the United States chose to annex the Philippines rather than recognize its declaration of independence, tensions grew, leading to the outbreak of open combat. The battle can be considered as a continuation of the Philippine Revolution against Spanish rule in 1896, which started the country's fight for independence.

From Manila, Andrés Bonifacio worked as a clerk and warehouseman. He founded the Katipunan on July 7, 1892, a revolutionary group formed to overthrow the Spanish colonial government through armed uprisings. The Katipunan revolution began when the Spanish authorities found it in August 1896. The province of Cavite's combatants achieved early success. Emilio Aguinaldo, mayor of Cavite El Viejo, who seized control of much of the province's eastern region, was one of Cavite's most well-known and prominent leaders.

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The given question is incomplete. The complete question is given below:

All of the following statements regarding the Philippine-American War are true EXCEPT:

A. The United States received the territory of the Philippines after the Spanish-American War.

B. The Filipinos were fighting in an attempt to earn independence.

C. The war began with the assassination of Emilio Aguinaldo, president of the First Philippine Republic.

D. The beginning of the Philippine-American War was marked with confusion.

What award did president obama bestow upon katherine?

Answers

Answer:

President Obama bestowed the Medal of Freedom to Johnson, a NASA mathematician who calculated and verified the travel trajectories that took the first Americans to space.

Explanation:

Who is theodore miller edison ?

Answers

Theodore Miller Edison (July 10, 1898 – November 24, 1992) was an American businessman, inventor, and environmentalist. He was the youngest son of famed inventor Thomas Edison and his second wife, Mina Miller Edison.

Theodore Edison had over 80 patents to his name, including inventions related to electrical devices, synthetic rubber, and optical instruments. He also founded the company Calibron Industries, which produced precision instruments and laboratory equipment.

In addition to his work as an inventor and businessman, Theodore Edison was also an advocate for environmental conservation. He was a member of the Audubon Society and the Nature Conservancy, and he worked to protect natural habitats and wildlife.

Despite his accomplishments, Theodore Edison is often overshadowed by his father's legacy. However, he made significant contributions to the fields of science, technology, and environmentalism, and he is remembered as a talented inventor and dedicated conservationist.

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What percentage of the American population lived in cities by 1900

Answers

Answer:

40% - 60%

Explanation:

i read about it that is the percentages shown in the textbook

Question 1 of 15
Which region of Russia has low elevation along with fertile farmlands and
swamps?
OA. The West Siberian Plain
B. The Volga River Delta
C. The Kamchatka Peninsula
OD. The Ural Mountains

Answers

Answer:A Western Siberian plain

Explanation:

The West Siberian Plain, region of Russia has low elevation along with fertile farmlands and swamps. Thus, option (a) is correct.

What is farmlands?

The term farmlands was the based on the those places are the easily farm. The place are the agriculture activity such as the cultivation, plantation, and the crop.

The West Siberian Plain, was the region of the Russia. The West Siberian Plain was the based on the fertile farmlands are the covered the area are 2.7 million km². It was the largest swamps and floodplain.

As a result, the significance of the farmlands are the aforementioned. Therefore, option (a) is correct.

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why did the bonus army protest in washington, d.c.?

Answers

The Bonus Army, also known as the Bonus Expeditionary Force, was a group of World War I veterans who marched to Washington, D.C. in 1932 to demand payment of a bonus promised to them by the U.S. government.

Explain the bonus army protest in Washington, D.C.?

A group of World War I veterans, known as the Bonus Army or Bonus Expeditionary Force, marched on Washington, D.C. in 1932 to demand payment of a bonus the American government had promised them. The bonus, which became payable in 1945, was viewed as a method to assist veterans in getting by during the Great Depression. The veterans, however, urged that the bonus be paid early due to the high unemployment rate and the nation's ongoing economic difficulties.

The veterans established an impromptu camp in Washington when they got there, which became known as "Hooverville." They organized calm protests and marches, but when the police tried to remove the veterans from the camp, things got out of hand. Veteran protestors and police engaged in violent altercations as a result, and President Herbert Hoover ordered the military to remove the demonstrators from the city.

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The soviet union set up the iron curtain in order to:________

Answers

Answer: seal off itself and its dependent eastern and central European allies from open contact with the West and other noncommunist areas.

Explanation:

1. Describing Write a paragraph about the trading networks in the mainland states and archipelagos of Southeast Asia.

Answers

Southeast Asia has a rich history of trading networks that have developed over centuries.

What are Southeast Asia Trading Networks?

Due to its advantageous placement between crucial trade routes, Southeast Asia has been a significant trading center for millennia. The trade routes connecting Southeast Asia to other parts of Asia, the Middle East, and Europe included both land and marine routes. These networks were primarily driven by the trade in luxury items like spices, textiles, and precious metals. Spices in particular were highly sought for their use in cooking and as a medicine.

The country's archipelagos, including Indonesia and the Philippines, were especially well-connected to maritime routes, and traders from China, India, and the Middle East exchanged products with local vendors there. The mainland nations of Southeast Asia, such as Thailand, Burma, and Vietnam, were connected to overland trade routes that went through the area, allowing traders to transport commodities all the way from Europe and Africa. Overall, Southeast Asia's trading networks have had a significant influence on the evolution of the region's politics, culture, and economics.

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In Chapter 5 we look at the hiring/screening process for selecting officers. Which do you think are the most important traits when considering the hiring of a new officer? Lets look at discretion again - do police have too much or too little? Explain your answer. What is meant by "police subculture?" Police use of force is now and has always been an issue. Under most every jurisdiction I am aware of, police may use what force is reasonable and necessary to accomplish their task - what ever the task is. So in your opinion - what would "reasonable and necessary" mean? If you are interested, you may find the majority of force issues in Chapter 9 of the Texas Penal Code. There are other sections that come into play as well, but Chapter 9 is Use of Force.

Answers

1. When considering the hiring of a new police officer, it is important to consider a variety of traits in order to ensure that the new hire will be successful and effective in their role. Discretion is one such trait, and it is important for officers to have the ability to exercise good judgment in their decision making, especially when it comes to using force. Whether police officers have too much or too little discretion is a matter of perspective and can vary depending on the specific situation and the jurisdiction they are working in.

2. The "police subculture" refers to the shared values, beliefs, and attitudes that exist within the police force and influence the behavior of individual officers. It is important to understand this subculture in order to understand the motivations and decision making of officers, as well as to identify areas where changes may be needed to promote better policing practices.

3. When it comes to the use of force, "reasonable and necessary" means that the force used by the officer must be proportional to the threat or resistance they are facing, and must be the minimum amount of force necessary to resolve the situation safely. This concept is at the heart of the legal framework that governs the use of force by police officers and is an important consideration when evaluating the actions of officers and making decisions about hiring and training. Understanding the use of force provisions in the Texas Penal Code and other relevant laws is crucial for officers and for those who oversee policing practices.

which statement describes an impact of gutenberg invention of the printing press

Answers

Answer:

Johann Gutenberg's invention of movable-type printing quickened the spread of knowledge, discoveries, and literacy in Renaissance Europe. The printing revolution also contributed mightily to the Protestant Reformation that split apart the Catholic Church.

Explanation:  Hope this helps. Mark me brainliest.

Compare and contrast the roles of the US and the USSR in the development of the Cold War from 1943 to 1949. Aims instead of roles. Cold War

Answers

The US and the USSR were two superpowers that emerged after the end of World War II and played significant roles in the development of the Cold War.

What caused the Cold War?

Although both countries had the aim of establishing their respective ideologies, they pursued different foreign policy goals, leading to a strained relationship between the two nations.

The United States aimed to promote its democratic values, capitalism, and the spread of democracy worldwide. The US saw the expansion of communism as a direct threat to its interests, and as such, it sought to contain its spread and promote democratic governments.

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Select the correct answer from each drop-down menu.
What are these architects famous for?
Joseph Paxton was famous for designing one of the ______
building of its time, the Crystal Palace.
Meanwhile, buildings designed by Daniel Libeskind are known for their unconventional materials and bold unusual ________.

Answers

Landscape gardener and hothouse designer who designed the Crystal Palace for the Great Exhibition of 1851 in London.

Daniel Libeskind is well-known for his ability to elicit cultural memory in his architecture. Inspired by a strong interest in music, philosophy, literature, and poetry,

Daniel Libeskind used what materials?

The titanium-zinc façade zigzags and has subsurface axis, slanted walls, and exposed concrete "voids" without heat or air conditioning. Daniel Libeskind, an American architect, wanted to tell the tale of German-Jewish history through his "Between the Lines" design. The concept that buildings are produced with observable human activity and address the larger cultural context in which they are built is central to Libeskind's ideology. Daniel speaks and teaches at institutions all around the world.

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He_____an agreement whereby Spain subcontracted to a foreign power the right to provide_____to Spanish America was an important diplomatic prize. Britain's acquisition of such an agreement from the____ in 1713 was a major step in its rise to commercial supremacy.-asiento-slaves-Dutch

Answers

The asiento, an agreement whereby Spain subcontracted to a foreign power the right to provide slaves to Spanish America, was an important diplomatic prize. Britain's acquisition of such an agreement from the Dutch in 1713 was a major step in its rise to commercial supremacy.

As explained above, the asiento was a monopoly contract granted by the Spanish Crown to several merchants for the right to provide slaves to colonies in the Spanish Americas. This system, which was ongoing between the early 16th and the mid-18th century, was first drawn up in 1518, granting a merchant named Gouvenot the monopoly to import African slaves for 8 years.

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How did Percy Julian make the synthetic cortisone?

Answers

Cortisol is an adrenal gland cortical hormone. Julian discovered a new synthesis for a related substance (dubbed "Substance S") found in the adrenal gland as well as differentiated from cortisol by only each oxygens in 1949. He seemed to be capable of making cortisone and long - acting from such an actual content.

Describe the components of cortisone?

Each Cortisone Acetate Tablets, USP tablet contains 25 mg of cortisone acetate. Anhydrous Lactose, Colloidal Silicon Dioxide, Magnesium Stearate, Hydroxypropyl Methylcellulose, Sodium Lauryl Sulfate, and Sodium Alginate are among the pharmaceutical formulations.

What is the definition of synthetic cortisol?

Exogenous precursors of natural sources glucocorticoids and mineral corticosteroids created by the adrenal glands are synthetic corticosteroids. Synthetic glucocorticoids, in general and especially, play a critical role in anti-inflammatory and immune suppressants forms of treatment.

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who is laura spelman rockefeller ?

Answers

Laura Spelman Rockefeller was an American philanthropist and the wife of John D. Rockefeller, the founder of the Standard Oil Company. She was born on September 9, 1839 in Wadsworth, Ohio and died on March 12, 1915 in Pocantico Hills, New York.

Laura Spelman Rockefeller was an active supporter of many charitable causes, including education, public health, and the arts. She is also known for her work in the women's suffrage movement and her support of the Spelman College, a historically black women's college in Atlanta, Georgia. Laura Spelman Rockefeller's legacy continues to be felt through the work of the Rockefeller Foundation, which she helped to establish.

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can someone please help me i dont understand this question......A first-time homebuyer is financing a house for $128,900. The buyer has to pay $300 plus 1.05% for a brokerage fee. How much are the mortgage brokerage fees? $1,653.45 $1,353.45 $1,356.60 $1,365.45 how to bruise formed by collection of blood at the puncture site? When a refrigerant enters the compressor, it is a___ and when it leaves the compressor, it is a ____? 8. Based on habits, customs, and beliefs9. Individuals and businesses own the means of production10. Sweden11. North Korea12. Subsistence system13. Government makes all economic decisions14. High taxes15. Government owns part of the means of production16. United States17. Amazon Rainforest communities and Australian Aborigines18. Government regulates but does not control economy Classify the conditions given as indicating that a reaction is at equilibrium, is not at equilibrium, or that the conditions may occur in either state. At equilibrium Not at equilibrium May or may not be at equilibrium The forward and reverse reactions occur at equal rates. The concentration of reactants is slowly increasing. The products and reactants have equal concentrations. The concentration of products greater than the concentration The concentrations of productsThe forward reaction is is and reactants are constant. occurring at a very slow rate. of reactants. Which statements describe kinetic and potential energy? Check all that apply. A pendulum has a period of 5 seconds. If the length of the string of the pendulum is quadrupled,what is the new period of the pendulum? What is espero in english What is the synonym of messed? a drawback in the use of patents to protect inventors rights is that they... What are the 5 rules of scientific notation? what game is gang midfielder 2 about? what are the five steps to making a good, healthy decision? is the tank creation a capital goods industry b) Lizzie has gross monthly pay of 1,480. She has to pay income tax of 112.67 and NICs of 96.48. How much is her net pay? Chemical bonds hold together the atoms that make up a molecule. Molecules may also be attached to one another by chemical bonds. The figure shows how hydrogen bonds attach water molecules to other water molecules.Drag the terms on the left to the appropriate blanks on the right to complete the sentences.HelpResetpolar covalent bondhydrogen bondnegativehydrogenionic bondpositiveoxygen1. A water molecule consists of one oxygen atom joined to each of two hydrogen atoms by a(n) ____, a type of bond in which the electrons do not spend equal time with the two atoms involved.2. Because oxygen is more electronegative than hydrogen, the electrons in a water molecule spend more time closer to _____.3. The unequal distribution of electrons means that each of the three atoms in a water molecule has a ____. This makes water a polar molecule.4. The oxygen of a water molecule has a partial ____ charge.5. Each hydrogen in a water molecule has a partial ____ charge.6. A weak bond called a(n) _____ forms as a result of the attraction between the slightly positive hydrogen of one water molecule and the slightly negative oxygen of a nearby water molecule. is there a difference between physical dependence and addiction? Your friend Sam has been asked to prepare appetizers for the university reception. She has an unlimited amount of ingredients and six hours in which to prepare them. Sam can make 400 mini-sandwiches or 200 servings of melon slices topped with smoked salmon and a dab of sauce per hour.Sam's opportunity cost of making one mini-sandwich is (Click to select) 2 melon appetizers 0.5 melon appetizer .Sam's opportunity cost of making one melon appetizer is (Click to select) 2 mini-sandwiches 0.5 mini-sandwich .Suppose the reception has been postponed, so Sam has an extra four hours to prepare. The opportunity cost of making one mini-sandwich is now (Click to select) 0.5 melon appetizer 2 melon appetizers .Suppose the reception has been postponed, so Sam has an extra four hours to prepare. The opportunity cost of making one melon appetizer is now (Click to select) 2 mini-sandwiches 0.5 mini-sandwich .Suppose Sams friend Chris helps by preparing the melon slices, increasing Sams productivity to 400 mini-sandwiches or 400 melon appetizers per hour. The opportunity cost of making one mini-sandwich is now (Click to select) 1 melon appetizer 2 melon appetizers .Suppose Sams friend Chris helps by preparing the melon slices, increasing Sams productivity to 400 mini-sandwiches or 400 melon appetizers per hour. The opportunity cost of making one melon appetizer is now The following pedigree concerns the rare autosomal recessive disease phenylketonuria (PKU}. The couple marked A and B are contemplating having a baby but are concerned about the baby having PKU. What is the probability of the first child having PKU? A. 4 0 B. 1/12 C.16 D.9/64 E.34 What is meaning of GDP per capita?