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.
संबंधित प्रश्न
Why is the atmosphere essential for life?
Give one use for the following inert gases :
argon
Give one use for the following inert gase :
neon
Give one use for the following inert gase :
krypton
Name the products formed when a candle burns in air.
Tick the object which gives out water vapour.
 |
 |
 |
 |
 |
 |
Analogy
78% of air: Does not support combustion:: _____: Supports combustion
______ gas is filled in tyres of vehicles.
Name two example for wind instruments.
Marked temperature changes in the aquatic environment can affect
