Question

Define the term "acid rain". Is it harmful. How?​

Answer 1

Answer:

Acid rain is rain that is unusually acidic and highly corrosive in nature. ... It may be defined as "rain water having pH less than 5.6". Acid rain can have harmful effects on plants, animals and humans. It is caused when gaseous compounds of ammonium, carbon, nitrogen, and sulphur are released into the atmosphere.

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Answer 2

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Acidic particles and gases can also deposit from the atmosphere in the absence of moisture as dry deposition. The acidic particles and gases may deposit to surfaces (water bodies, vegetation, buildings) quickly or may react during atmospheric transport to form larger particles that can be harmful to human health.

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