Answer:
The glass absorbs the visible light wave and reemits its energy as visible light. It absorbs the ultraviolet and infrared waves, then converts the energy into heat. The temperature of the glass increases due to the absorption.
Explanation:
7th grade science
PLEASE HELP MEEEEE!!!!!!!
Answer:
Eukaryotic because it has a nucleus
Explanation:
Aquifers are _______. A. Located below the water table b. Important sources of freshwater c. Located in the saturated zone d. All of the above Please select the best answer from the choices provided A B C D.
Aquifers located below the water table, important sources of freshwater, and located in the saturated zone.
What are aquifers?
Aquifers are underground, present layers of rock or sand that bear water.
Aquifers are bodies of permeable rock or sediment that have been flooded by groundwater.
As rainwater penetrates through the earth, groundwater enters an aquifer.
It has the ability to migrate through the aquifer and reemerge via springs and wells.
Thus, the correct option is D, all of the above.
Learn more about aquifers
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Answer:
Explanation:
the answer is d I got it right
What would I choose? Please help me!!??
Answer:
I believe your answer is B. Sorry if I am wrong.
Explanation:
I hope I helped
Have an AMAZING day. :)
Carbon has an atomic number of 6. Carbon 14 has _____.
Answer:
8 Neutrons
Explanation:
For example, carbon has six protons and is atomic number 6. Carbon occurs naturally in three isotopes: carbon 12, which has 6 neutrons (plus 6 protons equals 12), carbon 13, which has 7 neutrons, and carbon 14, which has 8 neutrons.
A woman has only daughters. Analyze the situation genetically and provide a suitable explanation.
Answer:
If a woman has only daughters then the father must have passed the X chromosome that fertilised the egg each time
8. Which of these is a homogeneous mixture?
A. O milk
B. O tea
C. O sand on a beach
D. O sodium chloride
Explanation:
A. milk is my answer
are worm neurons alive????
Answer:
Yes
Explanation:
In the inner-world perspective of the simulation, the worm is absolutely alive as it is obeying the laws of physics as presented by the simulation.
Answer: Yes
Explanation:
Growing to just one millimeter in length, these simple creatures have only 302 neurons, or nerve cells, in their bodies, a tiny fraction of the 80 billion or so neurons in the human brain. ... They found the circuit has "command neurons" that release serotonin to increase movement in the worms.
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Which statement is not an example of intercellular communication?
A A message is distributed across plasma membrane.
B A message travels between gap junctions.
C A molecule stimulates a target cell via a receptor.
D An electrical signal causes muscle cells to contract together.
Answer: The answer is A message is distributed across plasma membrane
Explanation:
I took the quiz
Answer: The answer is A message is distributed across plasma membrane
Explanation: trust me :)
(d) Predict the most likely cause of the F2 ratio obtained by the students in the second analysis between parental flies that are true-breeding for gray bodies and long wings and flies that are true-breeding for ebony bodies and curly wings. Provide reasoning to justify your prediction
Based on ransom crossing, the genotypic and phenotypic ratio of offspring depends on whether each trait is dominant or recessive.
What determines the phenotype of offspring in a cross between parents?The phenotype of the offspring or filial generation of a cross is determined by the genotype of the parents and the nature of the allele of the genes in the parents, whether they are recessive or dominant.
When two true-breeding species of organisms are crossed, the phenotype of the offspring will be determined by the dominant trait.
For examples, if parental flies that are true-breeding for gray bodies and long wings and flies that are true-breeding for ebony bodies and curly wings are crosed, the genotypic ratio and the phenotypic ratio will be as follows:
GGLL × ggll = GgLl, GgLl, GgLl, GgLl
Phenotypic ratio = 1 Genotypic ratio = 1Where:
G = gray body is dominantg = ebony body is recessive L = long wings is dominantl = curly wings is recessiveTherefore, the genotypic and phenotypic ratio of offspring depends on whether each trait is dominant or recessive.
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Read the passage about the fluoridation of drinking water.
Since the early 1960s, fluoride has been added to many sources of drinking water to prevent cavities in teeth. This is called fluoridation. There are some who say that this is unnecessary and increases the risk of cancer.
In 1993, the Subcommittee on Health Effects of Ingested Fluoride of the National Research Council, part of the National Academy of Sciences, conducted an extensive study about the link between fluoridated drinking water and increased cancer risk. The study included data from more than 50 human disease studies and six animal studies. The Subcommittee concluded that none of the data showed a link between fluoridated drinking water and cancer. A 1999 report by the CDC supported these findings. The CDC report concluded that studies so far have produced "no credible evidence” of a link between fluoridated drinking water and an increased risk for cancer.
According to the article, what valid claim came from the National Research Council?
A. There is no link between fluoride exposure and increased cancer risk in humans.
B. There is a possible link between fluoride exposure and increased cancer risk in humans.
C. There is a definite link between fluoride exposure and increased cancer risk in humans and animals.
D. There is a possible link between fluoride exposure and increased cancer risk in animals.
Answer: A. There is no association between fluoride exposure and increased cancer risk in humans.
Explanation: just did it.
After Mrs. Kirby received nutritional advice, her neighbor asked for her help with calculating the contribution of energy from fats in her diet. For a long time, her doctor has been telling her to lower the fat intake below 30
%
of her total calories, but she does not really know how to do it--much less how to calculate it.
Mrs. Kirby explained how she did her calculations, and the neighbor showed her "her numbers." Together they came up with total calorie intake of 2200 kcal and 63 g of fat.
What is the percentage contribution of energy from fat in Mrs. Kirby's neighbor's diet?
Answer:
61%
Explanation:
Alfred Wegener believed that all of the continents were originally: a. a single landmass called Pangaea c. three landmasses called Europe, Asia, and Gondwana b. two landmasses called Eurasia and Gondwana d. none of the above
its A
Explanation:Your science class has taken swabs throughout the school. The image shows the petri dish containing a bacterial culture that developed from a swab of one computer keyboard in the classroom. You would like to make a detailed observation of the internal structures of the bacteria in your culture. You know that In order to see just their shape, it is necessary to use a magnification of about 400x to 1000x. Based on this, develop a logical argument for using a transmission electron microscope.
The TEM magnifies 1,500,000X and produces a 3D image.
In order to keep the students safe, the bacteria must be dead before viewing with any microscope.
The TEM magnifies up to 2000,000X and you can see great detail including the internal structure of cells.
The TEM produces a 2D image of whatever specimen you are viewing.
A logical argument for using a transmission electron microscope (TEM) is: C. The TEM magnifies up to 2000,000X and you can see great detail including the internal structure of cells.
What is a microscope?A microscope can be defined as an optical device that is typically designed and developed to produce an enlarged (magnified) image of a minute (very small) object, in order to show all the littlest and tiniest details about the object that cannot be seen by the natural human eye.
The types of microscopes.In Science, there are different types of microscopes and these include the following:
Scanning electron microscope.Polarizing microscopeInverted microscopeCompound light microscope.Transmission electron microscope.Ideally, a magnification of about 400x to 1000x is required to see the shape of a bacterial culture. However, a transmission electron microscope (TEM) can magnify up to 2000,000X and as such you can see great detail of a bacterial culture, including the internal structure of their cells.
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Answer:
They can live in both warm and cold, but they die faster in warm water.
Explain how human insulin is produced by genetic
engineering.
Answer:
The first product developed by genetic engineering was human insulin. It can be produced by using recombinant DNA technology. The gene responsible for producing human insulin protein is isolated.
Explanation:
What class of membrane-transport protein is associated with triggering an action potential?.
Answer:
A voltage-gated ion channel
Explanation:
One of the reasons why it is so difficult to quit smoking cigarettes is that nicotine may lead to an increased activation of ________ neurons.
It is so difficult to quit smoking cigarettes is that nicotine may lead to an increased activation of dopamine neurons.
What is dopamine neurons?Dopamine neurons play an important role in the control voluntary movement and behavioral processes such as mood, reward, addiction, and stress.
This nicotine activates the dopamine neurons that begins the response that leads to feelings of pleasure and reward, and then addiction.
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If fossils of fish and sea shells are found in an area that is now desert, we might assu
that:
• Fish could breathe air at one time in their history.
• Sea shells could live on land millions of years ago.
• The area in which the fossils were found was once covered with water.
• None of the above.
Answer:
The area once contained water.
Explanation:
Fish do not have the anatomical structures necessary for breathing on land. Even if they did, they would likely desiccate in the arid environment of the desert. The same reasoning applies to seashells. As a result, the environment must have been different in order to support the needs of these creatures. Since the Earth's continents are continuously shifting due to plate tectonics, and the Earth's climate changes over time, it would be reasonable to say that the desert was once a body of water that could support marine life.
Where would you find the warmest waters?
deep zone
surface-mixed zone
transition zone
polar zone
Answer:
Surface Mixed Zone, because the warmest is at the surface so it'll get the most sunlight. etc. It *stays* the warmest because warm water is less dense than cool water. Layers in the ocean are very well-defined since the warm water on top will stay warm and the cold water stays cold.
Explanation:
Hope my answer helped :)
1. Explain the concept of "natural selection" using your moths as an example (please use the data you collected to support your answer).
Answer: Natural selection can be seen in peppered moths, according to Tutt. In the gloomy bush, the brilliant moth's camouflage had worn off. Because dark moths live longer, they have more time to breed in a dark forest. All living creatures are impacted by natural selection. The peppered moth's evolution is an evolutionary example of moth population-directed color change as a result of industrial pollution.
The natural selection is based on the suitability and adaptation of an organism with that environment.
What is natural selection?Natural selection is the process in which populations of living organisms are selected by natural forces. Nature selects organisms that have traits better suited to the environment than others.
In conclusion, that organism will survive and reproduce that is suitable to that environment.
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What causes burning rock and gas to explode out of a volcano?
Answer:
the first one
Explanation:
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Anemophily takes place by:
(a) By Bird
(b) By Bat
(c) By Snail
(d) By Wind
Answer:
(d) wind
Explanation:
Anemophily is the process by which pollen is transported from one plant to another via aer currents. Wind pollinates approximately twelve percent of the world's flowering plants, including grasses, cereal crops, many trees, and the notorious allergenic ragweeds.
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What is the evidence that supports the autogenic hypothesis?
Answer:
Explanation:
The hypothesis is supported by the studies on mitochondria. The mitochondria contains its own DNA and sythesizes many of its RNA and proteins. The mitochondrial protein synthesis machine, the ribosomes are similar to those found in bacteria. Similar to the bacterial cells, the mitochondria also contain circular genome
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why do you think the nuchal lines might be helpful for distinguishing males from females
Answer:
These lines serve as anatomical reference points while performing a skull examination. They also serve as attachment places for some of the muscles that regulate the head and neck. Several muscles, notably the trapezius, have attachment sites along the superior nuchal line.
PLEASE HELP
How do algae blooms destroy aquatic life?
depleting oxygen needed by organisms
by raising the water temperature
by getting into municipal water supplies
by giving off toxins that kill life
Answer:
A. Depleting oxygen needed by organisms
Explanation:
When the algae and bacteria in the algae bloom die, the decomposition process uses up most of the surrounding oxygen.
Marty is developing a new way to heat an airplane's windshield to prevent it from accumulating ice when in flight. A thin layer of clear, conductive material is injected between two layers of thick windshield plastic. A very small electric current is run through the inner material to keep the plastic layers warm.
The question part that is missing is -
How might using a model help develop the design?
Answer:
The correct answer would be - it could be tested in a lab.
Explanation:
A model is a smaller representation or test unit for an idea, or a process that is which is used to test or explain the idea or process that can not be made multiple times on a large scale.
Developing a new method to heat an airplane's windshield to prevent it from ice accumulation when in flight, testing this new idea, is very risky in the actual plane during flight so testing this method in the lab on a model would be helpful.
A cell undergoes mitosis three times. How many daughter cells are produced?
A. 16
B. 2
C. 4
D. 8
Answer:
B A cell is a undergoes mitosis time
Answer:
8
Explanation:
a cell with 20 chromosomes that undergoes mitosis three times will have 8 daughter cells produced .
Define a hybrid fish
Answer:
Scientists accidentally bred a hybrid fish called the sturddlefish The sturddlefish is a hybrid of a sturgeon and a paddlefish, and scientists created this new creature on accident. Forward 15 seconds Back 15 seconds
Explanation:
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I need some notes about cell membrane
Answer:Cell membrane
Explanation:Forms a boundary between a cell and the surrounding environment and controls the passage of materials into and out of the cell.
Answer:
Cell Membrane (These are from my personal Biology Notes)-
Explanation:
Found in all cells (FIAC)
Selectivity permeable
Embedded with proteins
Regulates what enters or exits the cell
Phospholipid bilayer
Polar: head is hydrophilic (Likes water)
Nonpolar: tail; hydrophilic