Example: air traffic controller
Nutrient Cycles B1YvM2

Nutrient Cycles B1YvM2

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If the air contains high levels of pollutants what effect might this have on water quality? 24. The water cycle, like the other cycles, is a “closed system.” ... An alternative to intensive use of fertilizer is to plow the ... (aquatic algae are a huge photosynthetic community).

  Fertilizers, Effect, Algae, Of fertilizer

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