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

Q: Temperature and ph level are important in the activity of an enzyme.

A: Temperature and what other environmental factor are important in the activity of an enzyme?
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Q: Seedless and seed are the two divisions of vascular plants.

A: What are the two divisions of vascular plants?
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Q: Chemistry and physics are fields in physical.

A:
Chemistry and physics are fields in what type of science?
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