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azamat
3 years ago
11

Why does the water quality decrease as you go down the river?

Biology
1 answer:
nevsk [136]3 years ago
4 0
Rivers, lakes and oceans are not sterile bodies of water. ... Water quality in a river changes because it is affected by many factors including weather, climate, rainfall, industrial and sewage discharges, and accidental spills. It is strongly impacted by runoff from rain events. Hope this helped!
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