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 Input:
Question: What is formed when nitrogen and sulfur oxides dissolve in rain? Answer: acid rain

Ex Output:
Acid rain is rain that has a pH less than 5. It forms when nitrogen and sulfur oxides dissolve in rain. Acid rain kills living things and damages buildings and statues.

Ex Input:
Question: While similar to insects, what eight-legged invertebrates lack antennae or wings? Answer: arachnids

Ex Output:
Arachnids do not have antennae or wings.

Ex Input:
Question: What type of competition occurs between members of the same species? Answer: intraspecific

Ex Output:
Intraspecific competition occurs between members of the same species. For example, two male deer may compete for mates by clashing their antlers together.