Answers
Answer:
I can only give the answer for the first page.
Explanation:
1. Thermal energy always moves from hot objects to cold objects.
2. When two states of matter reach the same temperature, it is called thermal equilibrium.
Related Questions
1. What is the geologic time scale? Explain how the geologic time scale is a model.
2. How many millions of years was the Paleozoic?
3. During what era did the dinosaurs live?
4. During what period where the first early human relatives found?
Answers
2.) the paleozoic period was roughly from 245 million years ago to 545 million years ago.
3.) the dinosaurs lived in the mesozoic era, specifically the triassic period, which was roughly around 230 million years ago.
4.) the first early human relatives were found roughly around d the neogene period, about 25 million years ago, and is in the cenozoic era.
Describe the concentration of hydronium ions and hydroxide ions when a base is added slowly to a white vinegar solution. The pH of white vinegar is 3.1. Explain
Answers
Answer:as you add the base it added some PH. The Ph lever of white winegaer is2.4 - 3.4
Explanation:
×!¡! Measurement !¡!×
Record the volume of the liquid in the graduated cylinder.
The volume of the liquid is ______ milliliters.
Answers
Answer:
53 trust meeeeeeeeeeeeeeeeeeeeeeeeeeeeee
Explanation:
Make a claim about whether or not a piece of pottery is an example of a fossil? Summarize evidence to support your claim and explain your reasoning.
Answers
Answer:
A piece of pottery is deemed NOT a fossil because fossils are the remnants of a once living thing,a piece of pottery is a historic item,a relitivitely old item.
The neighborhood swimming pool is 20 feet long, 8 feet wide, and 4 feet deep. Which formula below should be used to find how much water the pool can hold?
Answers
Answer:
The formula to use is
VOLUME=LENGTH×BREADTH×HEIGHT
PLEASE GIVE BRAINLIEST
Solar: converts mechanical energy of _____________ into electricity.
Wind
The Sun
Water
Answers
Solar energy uses the suns power to create electricity
The distance time graphs for two objects are shown below: look at the picture. Which statement is true? Both objects move at variable speeds. Both objects move at a constant speed. Object A is moving at constant speed but Object B is moving at variable speed. Object A is moving at variable speed but Object B is moving at constant speed.
Can you get this done before 10:40 pls
Answers
Answer:
The last statement is correct
Explanation:
During a science lab investigating chemical reactions, you mix 15 grams of baking soda with 20 grams of vinegar into a container that has a mass of 55 grams. After the substances react what should the total mass of the products be after the reaction?
35
55
90
Cannot be determined
Answers
1.Which of the following is an example of a non-renewable resource?
A.Wind
B.Solar (Sun)
C.Trees
d.petroleum
2.Burning fossil fuels releases which gas into the air, making the Earth warmer?
A.Oxygen
B.Water
D.Nitrogen
D.Carbon Dioxide
Answers
2. D: Carbon Dioxide
Pls help due in 5 minutes
When does the Southern Hemisphere experience the shortest day (and longest night) of the year? Why?
Answers
Answer:
The hemisphere tilted most toward our home star sees its longest day, while the hemisphere tilted away from the sun sees its longest night. During the Northern Hemisphere's summer solstice—which always falls around June 21—the Southern Hemisphere gets its winter solstice.
Explanation:
A science class performed an investigation to model heat absorption with sand and water. The class put a beaker of sand and beaker of water under a heat lamp. The data to the left were the results after 10 minutes of heating. Using the information in the data table to the left, is the data the class collected valid?
Answers
Answer:
mkhcxfjvuh jb
Explanation:
,bnb kj
hope this helps
Explain how you could use the solubility of a substance to make a saturated solution.
Answers
An atom has 14 protons, 16 neutrons, and 14 electrons. What is the charge of the atom's nucleus?
A.+14
B.+16
C.-14
D.-16
Answers
Protons are found in the nucleus and the number of protons is positive.
PLS HELP ME IT IS SUPPOSED TO BE DONE IN 10 MINS PLS In a two paragraph (it can be a 2 sentence paragraph) extended response, summarize the ways in which technological advances and enforcement of safety and environmental laws and regulations are attempting to avoid or reduce the negative effects of finding, producing, and transporting oil.
Answers
Answer:
Environment: They must be supplied and used in ways that have minimal safety and environmental stewardship have advanced safety regulations and practices, promulgated rules for reducing VOC emissions from oil and gas production and ... disposal protocols are similarly reducing negative impacts to air and water.
Explanation:
If humans started burning half as many fossil fuels as we did in 2004, what might the graph look like?
Answers
Explain how you could use the solubility of a substance to make a saturated solution.
Answers
Answer:
Add solute to liquid until dissolving stops.
Evaporate a solvent from a solution until the solute begins to crystallize or precipitate.
Add seed crystals to a solution that is supersaturated.
Explanation:
What happens to salt water and fresh water when you try to mix them.
Answers
Answer:
the lighter fresh water rises up and over the salt water
Explanation:
this is because the salt water is denser
Answer:
When trying to mix fresh/salt water it leads to variable and dynamic chemical conditions, especially salinity because fresh water flowing into the estuary is less salty and less dense than water from the ocean, it often floats on top of the heavier seawater.
Explanation:
<3
WARNING (It's actually 8th grade science but it's not on here...)
The periodic table is organized into groups and periods of elements. The characteristics of a certain group of elements are listed below. Which of these elements is in this group?
Characteristics of a group of elements
•It's shiny
•It's a solid at room temperature
• It has atoms with 2 valence electrons
Answer Choices
A. Lithium
B. Strontium
C. Aluminum
D. Silicon
Answers
What is the main function of messenger RNA?
a. it adds amino acids to a growing protein chain
b. it carries the information neccesary for protein synthesis
c. it carries the information neccesary for dna replication
d. it carries information that causes deletions and other mutations
Answers
Messenger RNA (mRNA) carries the genetic information copied from DNA in the form of a series of three-base code “words,” each of which specifies a particular amino acid. 2. Transfer RNA (tRNA) is the key to deciphering the code words in mRNA.
Answer:
it carries the information neccesary for dna replication
In addition to carbon dioxide, what other two ingredients does a plant need for photosynthesis? ( A: water and sunlight B: Sunlight and soil C: sunlight and oxygen D: water and oxygen)
Answers
In addition to carbon dioxide, water and sunlight are the two ingredients that a plant need for photosynthesis. Therefore, the correct option is option A.
What is photosynthesis?Green plants along with certain other organisms convert sunlight into chemical energy through a process called photosynthesis. Light energy is gathered and utilised during photosynthesis by green plants to change moisture, carbon dioxide, plus minerals into oxygen- and energy-rich organic molecules.
It is impossible to overstate the role that photosynthesis plays in sustaining life on Earth. There'd soon be food or even other organic materials on Earth if photosynthesis stopped. The majority of life would vanish, and eventually, the atmosphere of Earth would contain almost no gaseous oxygen. In addition to carbon dioxide, water and sunlight are the two ingredients that a plant need for photosynthesis.
Therefore, the correct option is option A.
To know more about photosynthesis, here:
https://brainly.com/question/29775046
#SPJ2
Ill give brainliest and a 5 star review for the best answer Do you think your town or neighborhood has an ecosystem? If you don’t think so, explain why not. If you do think so, what are the producers, consumers, and decomposers in the ecosystem? What roles do humans play in this ecosystem?
Answers
Answer:
yes i think it is has an ecosdystem because it has life
Explanation:
1. Land-dwelling creatures depend on the the water cycle to ___________ fresh water from its salt solution in the Earth's oceans to the atmosphere.
2. They also depend on the water cycle to ______________ water from the atmosphere down to the Earth's land.
Word Blank Bank:
Evaporate
Precipitate
Condensate
Infiltrate
Answers
Given the following equation: Mg (s) + 2HCl (aq) → MgCl2 (aq) + H2 (g)
If you start with 4.50 grams of Magnesium (Mg), how many grams of Hydrogen gas (H2) will you theoretically produce? If you actually produce 0.25 grams, what is your percent yield?
please help
Answers
Help plz :<
In a combustion reaction, carbon is used to make reactants burn.
Please select the best answer from the choices provided
T
F
Answers
hope that helps
When DNA replicates, the genes in the new strand are the orginal strand.
a. similar to
b. larger than
c. different from
d. identical to
Answers
Describe: What happens to a hydrogen atom in an acid when the acid is dissolved in water?
Answers
Answer:
When dissolved in water, acids donate hydrogen ions (H+). Hydrogen ions are hydrogen atoms that have lost an electron and now have just a proton, giving them a positive electrical charge. ... The H+ ions in the acid join with and are neutralized by the OH- ions of the base to form H2O.
Answer:
When dissolved in water, acids donate hydrogen ions (H+). Hydrogen ions are hydrogen atoms that have lost an electron and now have just a proton, giving them a positive electrical charge. ... The H+ ions in the acid join with and are neutralized by the OH- ions of the base to form H2O.
Explanation:
Science question! Please read the article and give 2 new facts (not about continental drift please)! Please do this and you get 20 points!
Answers
Answer:
1. Scientists can determine the age of the seafloor through rock samples.
2. An isochron is an imaginary line on a map that shows points that have the same age.
Explanation:
why do we see different phases of the moon.
Answers
Answer:
The Moon itself does not generate light; it is lit up by the Sun. As the Moon orbits the Earth, the portion of illuminated Moon that we see changes – giving rise to the phases of the Moon. ... Sometimes the Earth, Moon and Sun are aligned such that the Earth is directly between the Sun and the Moon.
Explanation:
Answer:
Shadows
Explanation:
The Moon Dosent Produce Light,Therefore In Diffrent Cycles Shadows Cover Diffrent Parts Of The Moon Dpending Where The Suns Light Is Hitting It.
Which type of mixture looks like it's composed of different substances?
Atomic
Homogenous
Heterogeneous
Ionic
Answers
Heterogeneous Mixtures look like it’s composed of different substances.
PLEASEEE HELPP MEEE!! I NEED THISS THANK YOUUU <3
Answers
Answer:
C
Explanation:
Adaption is an animal adapting to be better suited for its enviroment, a bird being able to fly better is an example of that. :)
Answer:
D because all the other ones seem to be disability for the animals and D well the owner could of taught the dog that and the dog adapted to living that aka the owners rules either ways the dog learned it the other ones don't say anything so its D