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2. given that most biochemical (other than coal) rocks react with hydrochloric acid, what does that tell you about organisms?
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Which of the organisms listed below performs nitrogen fixation? a. legumes b. plants c. bacteria d. fungi
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Match the pollutants. 1. a chlorofluorocarbon smoke 2. a biodegradable organophosphate insecticide freon 3. particle pollution paint 4. hazardous waste monoxide 5. carbon is completely burned malathion 6. carbon is incompletely burned dioxide
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4. Draw a trophic cascade that illustrates why Mao's policy of exterminating sparrows backfired...
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