instruction:
Given scientific fact as input, generate the question from this fact such that it can be answered from the input.
question:
Interconnected pathways through which carbon is recycled through the biotic and abiotic components of biosphere.
answer:
Interconnected pathways through which carbon is recycled through the biotic and abiotic components of what?


question:
Oxygen is transferred through capillaries.
answer:
Which blood vessels is oxygen transferred through?


question:
Recrystallization is a process that can remove what, contaminants result when compounds are synthesized.
answer:
Recrystallization is a process that can remove what, which result when compounds are synthesized?