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The top documents tagged [food chain step]
Regional and global pollution: DDT and ozone. But first, thoughts on David Battisti Historically, famines have not been caused by a lack of food! (See
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Rachel Carson, DDT, and air pollution. Interdisciplinary perspectives Natural sciences (biology, chemistry, etc.) Medical sciences (especially epidemiology,
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Warm Up 1. What is a biotic factor? List 2 examples. 2. What is an abiotic factor? List 2 examples. 3. What is a food web?
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