Chapter-16 Environmental Issues

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  • Biology | Environmental issues Class 12th

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  • Biology Environmental Issues part 1 (Introduction) class 12 XII

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  • Biology Environmental Issues part 2 (Air pollution causes & effect) class 12 XII

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  • Biology Environmental Issues part 3 (Air pollution control) class 12 XII

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  • Biology Environmental Issues part 4 (Air pollution: Automobile maintenance) class 12 XII

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  • Biology Environmental Issues part 5 (Noise Control) class 12 XII

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  • Biology Environmental Issues part 6 (Water Pollution harmful effect) class 12 XII

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  • Biology Environmental Issues part 7 (Water Pollution Cause) class 12 XII

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  • Biology Environmental Issues part 8 (Water Pollution Sewage Treatment) class 12 XII

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  • Biology Environmental Issues part 9 (Water Pollution Algal Bloom) class 12 XII

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  • Biology Environmental Issues part 10 (Biomagnification) class 12 XII

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  • Biology Environmental Issues part 11 (Eutrophication : Trophic States) class 12 XII

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  • Biology Environmental Issues part 12 (Accelerated Eutrophication: Harmful effects) class 12 XII

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  • Biology Environmental Issues part 13 (Solid Wastes) class 12 XII

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  • Biology Environmental Issues part 14 (Biodegradable & non biodegradable wastes) class 12 XII

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  • Biology Environmental Issues part 15 (Solid wastes disposal Control) class 12 XII

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  • Biology Environmental Issues part 16 (Agro Chemical: manures, Fertilizers) class 12 XII

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  • Biology Environmental Issues part 17 (Agro chemicals: Insecticides, Pesticides) class 12 XII

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  • Biology Environmental Issues part 18 (Radioactive wastes) class 12 XII

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  • Biology Environmental Issues part 19 (Greenhouse effect) class 12 XII

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  • Biology Environmental Issues part 20 (Greenhouse effect explanation) class 12 XII

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  • Biology Environmental Issues part 21 (Global warming) class 12 XII

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  • Biology Environmental Issues part 22 (Ozone Layer) class 12 XII

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  • Biology Environmental Issues part 23 (Depletion of Ozone Layer) class 12 XII

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  • Biology Environmental Issues part 24 (Deforestation) class 12 XII

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  • Biology Environmental Issues part 25 (Questions) class 12 XII

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  • Biology Environmental Issues part 26 (Questions) class 12 XII

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