Social Studies, 17.03.2020 00:58 lekepius3715
What did the study in a Pennsylvania forest reveal about the environmental effects of using DDT? DDT killed ladybugs, which caused the aphid population to rise. DDT killed aphids that ate forest leaves. DDT caused the birds in the forest to disappear. DDT killed aphids, which caused the ladybug population to rise.
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What did the study in a Pennsylvania forest reveal about the environmental effects of using DDT? DDT...
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