What is the difference between pure air and pollutant air?

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Solution

PURE AIR POLLUTED AIR

Pure air contains around 78% nitrogen, 21% oxygen, and 0.03% carbon dioxide. Other gases such as argon, methane, ozone, and water vapours are also present in small quantities. It contains all these gases with altered concentration and some impurities.

It contains a mixture of gases which are necessary to maintain life on earth It contains harmful gases which disturbs the environment.

Free from harmful gases. Contains harmful gases, smoke etc.

It is good for health Harmful for health and causes many disease like asthma etc.

It is odourless It may have fowl odour.

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PURE AIR	POLLUTED AIR
Pure air contains around 78% nitrogen, 21% oxygen, and 0.03% carbon dioxide. Other gases such as argon, methane, ozone, and water vapours are also present in small quantities.	It contains all these gases with altered concentration and some impurities.
It contains a mixture of gases which are necessary to maintain life on earth	It contains harmful gases which disturbs the environment.
Free from harmful gases.	Contains harmful gases, smoke etc.
It is good for health	Harmful for health and causes many disease like asthma etc.
It is odourless	It may have fowl odour.