Ques:Q: What precious resource allows us to grow food as well as materials we turn into clothing and medicine? Choices: - petroleum - mercury - gasoline - soil A:

Ans:soil
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Ques:Q: What is the region known as the myelencephalon in the embryonic brain? Choices: - Telencephalon - Mesencephalon - Diencephalon - medulla A:

Ans:medulla
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Ques:Q: What force pulls bodies with mass together? Choices: - thermal - solar - isolation - gravity A:

Ans:gravity
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Ques:Q: In what stage of photosynthesis does the calvin cycle occur? Choices: - third - fourth - first - second A:

Ans:
second
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