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 type of ions do ionic compounds contain? Answer: positive and negative

A: An ionic compound contains positive and negative ions.
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Q: Question: What is the term for the green pigment in leaves that captures energy from the sun? Answer: chlorophyll

A: Chlorophyll is the green pigment in leaves that captures energy from the sun. Chlorophyll molecules are located in the thylakoid membranes inside chloroplasts.
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Q: Question: What occurs in a formerly inhabited area that was disturbed? Answer: secondary succession

A:
Secondary succession occurs in a formerly inhabited area that was disturbed. Soil is already in place, so pioneer species include small plants such as grasses.
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