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.

[Q]: Question: What are the building blocks of peptides? Answer: amino acids
[A]: A peptide is composed of two or more amino acids. Amino acids are the building blocks of peptides.

[Q]: Question: What are the light wavelengths that the human eye can detect called? Answer: visible light
[A]: Describe hotspots and the volcanic activity they create.

[Q]: Question: Sex-linked traits are located on genes on what chromosomes? Answer: sex
[A]:
Sex-linked traits are located on genes on the sex chromosomes.