Question

9. Air is a mixture of gases and its composition keeps on changing from one
place to another, Justify your answer with the help of any two examples
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Answer 1

Air Is a Mixture Of All the Gases Present in the atmosphere like Carbon dioxide,Nitrogen,Oxygen,Carbon Mono oxide,Water vapour etc.It keeps on Changing Due to varying amount of these Gases from place to place. ... Air on Hilly areas are Clean due to Plants and Less Pollutants

Answer 2

Answer:

Air Is a Mixture Of All the Gases Present in the atmosphere like Carbon dioxide,Nitrogen,Oxygen,Carbon Mono oxide,Water vapour etc.It keeps on Changing Due to varying amount of these Gases from place to place. Air on Hilly areas are Clean due to Plants and Less Pollutants.