Write a short note on the composition of air.
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nitrogen-78%
oxygen-21%
other particles-1%
oxygen-21%
other particles-1%
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the air is a mixture of several gases. its composition is:-
1. 78% nitrogen- this gas is in abundance and is important for growth of plants.
2. 21% oxygen- it is very important as life can exist on earth due to it as living organism need oxygen for respiration. it also supports burning.
3. 0.04% - carbon dioxide which traps the heat and keep earth warm.
4. many other things are present like-
i) ozone gas which protects earth from uv rays of sun
ii) water vapour which condenses to form rain....etc.
1. 78% nitrogen- this gas is in abundance and is important for growth of plants.
2. 21% oxygen- it is very important as life can exist on earth due to it as living organism need oxygen for respiration. it also supports burning.
3. 0.04% - carbon dioxide which traps the heat and keep earth warm.
4. many other things are present like-
i) ozone gas which protects earth from uv rays of sun
ii) water vapour which condenses to form rain....etc.
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