How do human beings contribute to the phosphorus and sulfur cycles? A.deforestation B.planting trees and shrubs C.adding chemical fertilizers to the soil D.introducing fish species to ponds and lakes

How do human beings contribute to the phosphorus and sulfur cycles?

A.deforestation

B.planting trees and shrubs

C.adding chemical fertilizers to the soil

D.introducing fish species to ponds and lakes

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How do human beings contribute to the phosphorus and sulfur cycles? A.deforestation B.planting trees and shrubs C.adding chemical fertilizers to the soil D.introducing fish spec…

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2 Answers

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