Q. 23.8( 6 Votes )

According to the A. 2.5 micrometer

B. 5.0 micrometer

C. 10.0 micrometer

D. 7.5 micrometer

Answer :

The pollutants with diameter 2.5 micrometer or lesser are responsible for causing great harm to human health because these can be inhaled by human respiratory and reach the lungs. This causes respiratory issues and in severe cases, leads to death. The pollutants with diameter greater than that can’t go deep inside the respiratory tract.

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