instruction:
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.
question:
Question: What structure does methane have? Answer: three dimensional tetrahedra
answer:
Methane has a three-dimensional, tetrahedral structure.

question:
Question: The other ammonium ions are changed into nitrogen gas by what? Answer: denitrifying bacteria
answer:
The other ammonium ions are changed into nitrogen gas by denitrifying bacteria.

question:
Question: Oils are liquid lipids that plants use to store what? Answer: energy
answer:
Oils are liquid lipids that plants use to store energy. Examples of oils include olive oil and corn oil.