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

Q: Control rods play an important role in the modulation of the nuclear chain reaction.

A: What play an important role in the modulation of the nuclear chain reaction?
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Q: Interconnected pathways through which carbon is recycled through the biotic and abiotic components of biosphere.

A: Interconnected pathways through which carbon is recycled through the biotic and abiotic components of what?
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Q: The diversity of alleles and genotypes within a population is known as genetic variance.

A:
The diversity of alleles and genotypes within a population is known as genetic what?
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