Advertisements
Advertisements
प्रश्न
Explain natural and human-made sources of air pollution.
उत्तर
Air pollution is of two main types:
Natural: It is pollution caused by nature. It includes forest fires, dust storms, pollen, etc.
Human-made: It is pollution caused by human activities. It includes the burning of fossil fuels in industries, vehicles, and thermoelectric plants, gaseous emission from industries, mining, processing, and stone crushing.
APPEARS IN
संबंधित प्रश्न
Why is the atmosphere essential for life?
Give one use for the following inert gase :
radon
State one method by which :
- Oxygen is added to air
- Carbon dioxide is added to air
- Oxygen is removed from the air
- Carbon dioxide is removed from the air
Name the products formed when a candle burns in air.
How does oxygen and carbon dioxide remain nearly constant in the atmosphere?
Discuss two useful applications of greenhouse effect.
Why is air called a mixture? Give five facts in support of your answer.
State its role in warming the earth’s environment and in excess resulting in global warming.
Who am I?
I am a mixture of gases.
Analogy
78% of air: Does not support combustion:: _____: Supports combustion
