Given a scientific question and its correct answer, generate supporting facts for the answer. This supporting fact can be an explanation for the answer to the given question.

[EX Q]: Question: What kind of resource is soil? Answer: renewable
[EX A]: Soil is a renewable resource. Sometimes it is lost faster than it can be replaced.

[EX Q]: Question: What do scientists use to search other planets suitable for living? Answer: telescopes
[EX A]: Scientists are using telescopes to search for other planets that may have conditions favorable for life. The places they can look are near our solar system in our galaxy.

[EX Q]: Question: Alkanes are nonpolar and therefore do not attract what? Answer: ions
[EX A]:
Alkanes are nonpolar; they do not attract ions.