Question

Where does most pollution come from?

Answer 1

Answer: Most ocean pollution begins on land

When large tracts of land are plowed, the exposed soil can erode during rainstorms. Much of this runoff flows to the sea, carrying with it agricultural fertilizers and pesticides. Eighty percent of pollution to the marine environment comes from the land.

Explanation:

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Answer 2

Pollution comes in many forms for example
Air pollution and water pollution.