water pollution

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4 Terms

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defne eutphorication

when nitrates and phosphates enter lakes, this causes algae to grow. Since algae blocks sunlight, plants n the lake die. Decomposers like bacteria break down the dead plants, and since decomposers respire using aerobic respiration this also kills animals in the lake.

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define sewage

waste that comes from human, food etc.

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why does sewage cause water pollution

because they contain the nutrient of the phosphates and the nitrates that are needed to grow for algae.

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