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: Earth orbiting the Sun causes seasons to change
answer:
Earth orbiting what causes seasons to change?


question:
Fact: organisms can be preserved in sedimentary rock
answer:
What is the use of organisms preserved in sedimentary rock?


question:
Fact: wind is an inexhaustible resource
answer:

The main reason people want to use wind as an energy source is because there is?