Q. 324.3( 3 Votes )

Which of the following air pollutant reduces the oxygen-carrying capacity of blood to a large extent?
A. carbon dioxide

B. nitrogen monoxide

C. carbon monoxide

D. sulphur dioxide

Answer :

The source of carbon monoxide in the air is by the incomplete burning of fuels such as petrol and diesel. Carbon monoxide is a very poisonous gas which reduces the oxygen carrying capacity of blood.

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