instruction:
Given scientific fact as input, generate the question from this fact such that it can be answered from the input.
question:
It takes about one year for earth to orbit the sun.
answer:
Which of these takes about one year to complete?

question:
Ecological pyramids can demonstrate the decrease in energy, biomass or numbers within an ecosystem.
answer:
What can demonstrate the decrease in energy, biomass or numbers within an ecosystem?

question:
In the fracking industry, fluids are pumped through a borehole, creating fractures in the rock that contains the natural gas.
answer:
In what energy industry process are fluids pumped through a borehole, creating fractures in the rock that contains the natural gas?