Advertisements
Advertisements
प्रश्न
Explain natural and human-made sources of air pollution.
Advertisements
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 :
helium
Give one use for the following inert gase :
xenon
Name the products formed when a candle burns in air.
How does oxygen and carbon dioxide remain nearly constant in the atmosphere?
Why is air called a mixture? Give five facts in support of your answer.
State the utility of carbon dioxide for manufacture of food by plants.
Give the environment effect of three polluting gases with a reason why nitrogen is not considered a polluting gas.
Tick the object which gives out water vapour.
 |
 |
 |
 |
 |
 |
Air is a ____.
