In this task, you are given a question and a corresponding answer. Your task is to generate a fact statement that is useful in answering the given question.

Q: Question: What tool would be most helpful in aiding indoor plants in photosynthesis? Answer: a large window.

A: photosynthesis means producers convert from carbon dioxide, water, and solar energy into food for themselves
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Q: Question: Which is true? Answer: glaciers make depressions that water can pool in.

A: a glacier causes mechanical weathering
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Q: Question: What are some of the risks of using fertilizer? Answer: Damaging the planet.

A:
fertilizers are a source of pollution
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