Air Pollution and Environment
Synopsis
Air pollution occurs when the air contains gases, dust, fumes or odour in harmful amount. That is, amounts which could be harmful to the health or comfort of humans and animals or which could cause damage to plants and materials. The substances that cause air pollution are called pollutants. Pollutants that are pumped into our atmosphere and directly pollute the air are called primary pollutants. Primary pollutant examples include carbon monoxide from car exhausts and sulfur dioxide from the combustion of coal.
Further pollution can arise if primary pollutants in the atmosphere undergo chemical reactions. The resulting compounds are called secondary pollutants. Photochemical smog is an example of this. In the days before the proliferation of large cities and industry, nature’s own systems kept the air fairly clean.
Read more
Further pollution can arise if primary pollutants in the atmosphere undergo chemical reactions. The resulting compounds are called secondary pollutants. Photochemical smog is an example of this. In the days before the proliferation of large cities and industry, nature’s own systems kept the air fairly clean.
42.30
38.07
$
47.00 $
Free delivery Wolrdwidе in 10-18 days
Ships in 1-2 days from New Delhi
Membership for 1 Year $35.00
Get it now and save 10%
Get it now and save 10%
BECOME A MEMBER
Books by the same authors
Bibliographic information
Meenakshi Singh
B S Singh