Problem:

If I tell you that Being buried under soil and mud changes plants into coal, and ask you the question "what changes into coal when buried under soil and mud?", is the correct answer "rocks"?
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A: No


Problem:

If I tell you that Energy is used for heating buildings, and ask you the question "what is energy used for?", is the correct answer "heating buildings"?
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A: Yes


Problem:

If I tell you that Perspiration is used for adjusting to hot temperatures by some animals, and ask you the question "what is used for adjusting to hot temperatures by some animals?", is the correct answer "secretion"?
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A: No


Problem:

If I tell you that Most animals with external skeletons and jointed legs are insects, and ask you the question "most animals with external skeletons and jointed legs are what?", is the correct answer "homogenous"?
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A:
No