Maggie is a member of her school’s environmental club and is interested in recycling. She asks the question, “How does exposure to the environment affect recyclable plastics?”What best describes why and how Maggie should change her question to make it a better scientific question?

“Exposure to the environment” could mean many different conditions, such as sunlight, heat, moisture, or soil, so the question is too broad to test clearly. Maggie should narrow it to one environmental factor, such as asking how exposure to sunlight affects a particular recyclable plastic. That gives her a more focused question whose outcome can be measured.

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