Question

Write a note on motion of prongs and their effect on

Air columns ​

Answer 1

Answer:

Air pollution: Air pollution may be defined as 'the presence of one or more contaminants such as fumes, dust, gases, mist, smoke, odour, smog or vapours in the outdoor atmosphere which is injurious to human, animal and plant life or which unreasonably interferes with the comfortable enjoyment of life and property"

There are two types of air pollutants which cause air pollution:

(i) Primary air pollutants:

Natural pollutants- Bacteria, pollens, product of volcanic eruptions

Aerosols-Dust, smoke, mist, fog

Gases- hydrocarbons etc

(ii) Secondary air pollutants

eg Smog- mixture of smoke, fog, air and other chemicals

Prevention of air pollution:

The following methods are used for the prevention of air pollution:

Zoning

Control of air pollution by sources

Control of air pollution by using devices

Control of air pollution by means of stacks

Control of air pollution by growing vegetation

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Explanation: