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

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:
Protist diseases in humans are caused by protozoa.

Ex Output:
What type of diseases in humans are caused by protozoa?


Ex Input:
Because of their reactivity, we do not find most representative metals as free elements in nature.

Ex Output:

Because of their reactivity, we do not find most representative metals as free elements where?