Ques:Q: Toxic compounds in the environment have the most severe impact on animals that are top-level what? Choices: - vegetarian - herbivores - omnivores - carnivores A:

Ans:carnivores
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Ques:Q: How do leaves export sugar to roots and other nonphotosynthetic parts of the plant? Choices: - stems - chloroplasts - glands - veins A:

Ans:veins
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Ques:Q: What term is used to describe how fast a chemical reaction occurs? Choices: - response time - catalysis - velocity - reaction rate A:

Ans:reaction rate
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Ques:Q: The global pattern of precipitation is influenced by movements of what? Choices: - pollution masses - air valleys - clouds - air masses A:

Ans:
air masses
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