Environmental Issues | Revision Notes | Class 12

With increase in human population, demands for food, shelter, water, electricity, roads, and automobiles are increasing rapidly and exerting pressure…

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Pollution of Air and Water | Revision Notes | Science | Class 8

What is air? Air is a combination of different gases that form the atmosphere of the Earth. The constituents of…

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Conservation of Plants and Animals | Revision Notes | Science | Class 8

Quick Revision: Biosphere: Part of the Earth that supports life is called the biosphere. It is here that all living organisms…

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Pollution of Air and Water | NCERT Exemplar Solution | Class 8

Multiple Choice Questions 1. Air is a mixture of various gases. One of the gases is 21% part of the…

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Causes of Depletion of Wildlife | Grade 9

The following are the various causes of depletion of wildlife: Habitat loss Climate changes Pesticides and Toxic Chemicals Hunting and…

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