Question

when acid rain flows into the river ph value of river increases or decrease​

Answer 1

Answer:

pH value of the river increase

Explanation:

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Answer 2

Explanation:

U.S. natural water falls between 6.5 and 8.5 on this scale with 7.0 being neutral. The optimum pH for river water is around 7.4. Water's acidity can be increased by acid rain but is kept in check by the buffer limestone. Extremes in pH can make a river inhospitable to life. Low pH is especially harmful to immature fish and insects. Acidic water also speeds the leaching of heavy metals harmful to fish.

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