Q1 of 54 Page 350

Name the gas present in atmosphere which is mainly responsible for causing global warming.

Carbon dioxide is the gas which is mainly responsible for causing global warming. Carbon dioxide traps heat and does not allow it to escape into space causing an increase in the average temperature of the earth’s atmosphere.


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2

Name two gases present in polluted air which can cause acid rain.

 3

Name all the major pollutants of air.

 4

Which air pollutant combines with the haemoglobin of our blood?

 5

Name the various air pollutants discharged by motor vehicle exhausts.