TASK DEFINITION: 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.
PROBLEM: Question: What are the two main divisions of the human nervous system? Answer: central and peripheral

SOLUTION: The two main divisions of the human nervous system are the central nervous system and the peripheral nervous system. The peripheral nervous system has additional divisions.

PROBLEM: Question: Electrons in the "outer shell" are also known as what kind of electrons? Answer: valence

SOLUTION: Determine the total number of valence (outer shell) electrons. For cations, subtract one electron for each.

PROBLEM: Question: Both energy and heat can be expressed in units of what? Answer: joules

SOLUTION:
Energy and heat are expressed in units of joules.