Question

why is water pollution is caused​

Answer 1

Answer:

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Explanation:

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Answer 2

Answer:

Contaminants such as chemicals, nutrients, and heavy metals are carried from farms, factories, and cities by streams and rivers into our bays and estuaries; from there they travel out to sea. Meanwhile, marine debris--particularly plastic -- is blown in by the wind or washed in via storm drains and sewers.