instruction:
Given scientific fact as input, generate the question from this fact such that it can be answered from the input.
question:
Diffusion process helps absorptive protists absorb food molecules across their cell membranes.
answer:
Which process helps absorptive protists absorb food molecules across their cell membranes?

question:
Three many pairs of autosomes are there.
answer:
How many pairs of autosomes are there?

question:
Fracking delivers natural gas from rock that might not otherwise be obtainable.
answer:
What delivers natural gas from rock that might not otherwise be obtainable?