Ques:Answer the following question given this paragraph: There are very few gas molecules in the mesosphere. This means that there is little matter to absorb the Sun's rays and heat the air. Most of the heat that enters the mesosphere comes from the stratosphere below. That's why the mesosphere is warmest at the bottom. Q: Most of the heat that enters the mesosphere comes from where? Choices: - Earth's surface - Exosphere - Troposphere - the stratosphere A:

Ans:the stratosphere
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Ques:Answer the following question given this paragraph: Q: Where does the shoot system get the water and minerals that it depends on? Choices: - surrounding plants - the seeds - the air - the soil A:

Ans:the soil
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Ques:Answer the following question given this paragraph: Ethers are good solvents for other organic compounds because of their low reactivity. They readily dissolve non-polar molecules. Diethyl ether is perhaps the best known ether. It is widely used as a solvent and has been used as an inhalable anesthetic. Q: Ethers readily dissolve what type of molecules? Choices: - proteins - lipids - polar - non-polar A:

Ans:non-polar
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Ques:Answer the following question given this paragraph: Equilibriums are affected by changes in concentration, total pressure or volume, and temperature. Q: Equilibriums are affected by changes in concentration, total pressure or volume, and this? Choices: - time - oxygen - rate - temperature A:

Ans:
temperature
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