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, due to pollution the composition of air changes due to industrial emission,automobile exhaust .
No
no
no
Air contains about 19-20% oxygen
Pure Reason Revolution was created in 2003.
Critique of Pure Reason was created in 1781.
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.
No, but since carbon dioxide is everywhere in the air around us it is very hard to obtain pure water.