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.
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Question: Question: How do reptiles typically reproduce? Answer: sexually

Answer: Reptiles typically reproduce sexually and lay eggs.

Question: Question: The number of electrons in the outer energy level determines what property of nonmetals? Answer: reactivity

Answer: Some nonmetals are very reactive, whereas others are not reactive at all. It depends on the number of electrons in their outer energy level.

Question: Question: What do molecules need to do for a reaction to take place? Answer: collide

Answer:
Molecules need to collide in order for a reaction to take place.