Smog is an air pollution that occurs in many cities throughout the world.
Reasons for Water Pollution
Natural resources are resources that exist on the planet , independent of human actions.
What can harm buildings ?
Industrial Waste, Sewage and Wastewater, Mining Activities, Marine Dumping etc .damages quality of water .
It flows 2,700 km from the Himalaya mountains to the Bay of Bengal in northern India and Bangladesh.
It ia also known as photochemical smog.
Air pollution contains harmful gases.
Smog is air pollution that reduces visibility.
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