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.
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Question: Question: A balance is used to measure the what of  a substance? Answer: heaviness.

Answer: a balance is used for measuring weight of a substance


Question: Question: If plants are going to grow, their seeds need to? Answer: travel elsewhere.

Answer: plant requires seed dispersal for reproduction


Question: Question: You can find ferrous metals in? Answer: Vehicle scraps.

Answer:
ferrous metals contain iron