No, due to pollution the composition of air changes due to industrial emission,automobile exhaust .
reason for air is not pure
air is not pure
air around us is not pure because in air so many gases are mixed like nitrogen , oxygen , carbon etc.
No
no
no
How could a man as such have pure tolerance? She was not as pure as a rose. Bill was as white as a pure albino.
Air contains about 19-20% oxygen
I can't give a full Biological reason but I was taught that it was to trap air and provide and insulating layer around the body
I can't give a full Biological reason but I was taught that it was to trap air and provide and insulating layer around the body
With today's kind of pollution. It's not anymore.
A pure air can be prepared only in laboratory, by mixing the components. Note that air is not a compound but a mixture of gases. In the nature pure air don't exist - the air is polluted.