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VR Tour For Std. 8 Ch. 18. Pollution of Air and Water

What's Included in Virtual tour of this chapter

Air pollution may pollute landscapes, poison soils, and waterways, or kill plants and animals. Long-term exposure to air pollution, for example, can lead to chronic respiratory disease, lung cancer, and other diseases. Water pollution occurs when harmful substances—often chemicals or microorganisms—contaminate a stream, river, lake, ocean, aquifer, or other body of water, degrading water quality. The polluted water is then sent to a wastewater treatment plant 

Virtual tour 1 Air Pollution

Virtual tour 1: Air Pollution

Air pollution is defined as the presence of different substances in a certain concentration in the air that cause harm to human beings and the environment. And such unwanted or harmful substances are present in the air that decrease its quality. These substances are called air pollutants. Vehicles and industries are producing a heavy amount of smoke and this smoke contains some gases which make the atmosphere polluted.

Virtual tour 2 Water Pollution

Virtual tour 2: Water Pollution

We will now study water Pollution. All the wastewater of the city or village is collected through pipes and sent towards the wastewater purification plant, where it is cleaned. We have learned that Sewage is wastewater released by homes, industries, hospitals, offices, etc.

Virtual tour 3 Wastewater treatment

Virtual tour 3: Wastewater treatment

Wastewater Treatment Plant involves physical, chemical, and biological processes, which remove physical, chemical, and biological matter that makes the water polluted.  In wastewater treatment, the primary solid waste is removed and then the water is taken to an aeration tank, where the organic matter is eaten up by microbes in it. This water is chlorinated and released into the river.