NEET BIOLOGY

ECOLOGY

ENVIRONMENTAL ISSUES

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
This form of air pollution occurs when harmful chemicals mix with water in clouds and come back to earth in the form of rain.
A
Smog
B
Acid Rain
C
Nuclear Radiation
D
Dew
Explanation: 

Detailed explanation-1: -Acid rain results when sulfur dioxide (SO2) and nitrogen oxides (NOX) are emitted into the atmosphere and transported by wind and air currents. The SO2 and NOX react with water, oxygen and other chemicals to form sulfuric and nitric acids. These then mix with water and other materials before falling to the ground.

Detailed explanation-2: -Acid rain is caused by a chemical reaction that begins when compounds like sulfur dioxide and nitrogen oxides are released into the air. These substances can rise very high into the atmosphere, where they mix and react with water, oxygen, and other chemicals to form more acidic pollutants, known as acid rain.

Detailed explanation-3: -Acid rain is one of the consequences of air pollution. Gases produced from the burning of fuels react with the oxygen in the air and water vapour, transforming into acids that fall onto the earth’s surface as rain.

Detailed explanation-4: -What are its harmful effects? It has been shown that acid rain has detrimental effects on trees, freshwaters and soils, destroys insects and aquatic life-forms, causes paint to peel, corrosion of steel structures such as bridges, and weathering of stone buildings and sculptures, as well as impacts on human health.

Detailed explanation-5: -Acid rain can be caused by a chemical reaction that begins when compounds like sulfur dioxide and nitrogen oxides are released to the air. Theses substances can rise into the atmosphere, where they mix and react with oxygen, water and other chemicals to form acid pollutants, therefor creating acid rain.

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