Pollution is the presence of harmful substances in the environment. Common types include light, noise, water, and air pollution.
Types of air pollutants (Primary & Secondary) and their Meas
Biosphere — Definition & Importance - Expii
Aquatic Biomes — Marine & Freshwater - Expii
What is POLLUTION?, Types of POLLUTION - Air, Water
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Pollution
Types of Pollution - Effects of Various Types of Pollution
Environmental Pollution - PowerPoint Slides
Pollution — Types & Examples - Expii
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What is the number of molecules in 34 grams of water? - Quora
Pollution facts and types of pollution