Given scientific fact as input, generate the question from this fact such that it can be answered from the input.

Q: Warm and humid temperature and moisture conditions describe an air mass that originates over the atlantic ocean near the equator.

A: Which temperature and moisture conditions describe an air mass that originates over the Atlantic Ocean near the equator?
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Q: Plant nutrition is the study of the chemical elements necessary for plant growth.

A: What is the study of the chemical elements necessary for plant growth called?
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Q: Biochemical kind of tests may detect substances associated with particular disorders.

A:
What kind of tests may detect substances associated with particular disorders?
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