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: Which law means that the simplest of competing theories is most likely to be correct? Answer: law of parsimony
answer:
The formation of scientific theories is generally guided by the law of parsimony. According to this law, the simplest of competing theories is most likely to be correct.

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Question: The central nervous system is composed of the brain and what else? Answer: the spinal cord
answer:
User:Grm_wnr/Wikimedia Commons, modified by CK-12 Foundation. The central nervous system is composed of the brain and the spinal cord . Public Domain.

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Question: What do we call the full range of electromagnetic waves? Answer: electromagnetic spectrum
answer:
Electromagnetic waves vary in their wavelengths, frequencies, and energy levels. The full range of electromagnetic waves makes up the electromagnetic spectrum.