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

Ex Input:
A penguin must do increase muscle mass before molting.

Ex Output:
A penguin must do what before molting?

Ex Input:
Interconnected pathways through which carbon is recycled through the biotic and abiotic components of biosphere.

Ex Output:
Interconnected pathways through which carbon is recycled through the biotic and abiotic components of what?

Ex Input:
Respiratory therapists or respiratory practitioners evaluate and treat patients diseases affecting lung, heart, and blood vessels part of the body.

Ex Output:
Respiratory therapists or respiratory practitioners evaluate and treat patients diseases affecting what part of the body?