instruction:
Given a fact, create a question that can be answered using the fact. Construct the question such that it is unambiguous, has a unique answer and the answer can be given using the fact.
question:
Fact: water absorbs solar energy in the water cycle
answer:
What primarily drives the hydrologic cycle to produce clouds?


question:
Fact: white blood cell destroys pathogens in the body
answer:
How can you get your hands on white blood cells?


question:
Fact: being burried under soil and mud changes peat into coal through extreme heat and pressure in a swamp over a long period of time
answer:

Peat is an important factor when?