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Question

Identify the sources of air pollution from the given options.

A

Automobiles, dams and acid rain

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B

Stone crushers, pesticides and fungicides

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C

Industries, automobiles and stone crushers

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D

Acid rain, dams and pesticides

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Solution

The correct options are
A

Automobiles, dams and acid rain


B

Stone crushers, pesticides and fungicides


C

Industries, automobiles and stone crushers


D

Acid rain, dams and pesticides


The stone crushers give rise to a substantial quantity of dust emissions which create health hazards and also adversely affect visibility, reduce the growth of vegetation and hamper aesthetics of the area. The National Capital Region generates 10,000 tons per day of municipal solid waste, much of which is eventually burned, adding particulate pollution to the air. Speedy urbanization brings massive construction projects to the area. Construction activities that contribute to air pollution include land clearing, operation of diesel engines, demolition, burning, and working with toxic materials. Power plant industries also contribute to more than 40% of the population. Volcanic eruption is a natural phenomenon without human interference. It also releases large quantities of greenhouse gases and other pollutants.


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