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What would have happened if the greenhou...

What would have happened if the greenhouse gases were totally missing in the earth’s atmosphere? Discuss.

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The solar energy radiated back from the earth surface is absorbed by greenhouse gases such as `CO_2, CH_4, O_3 `, CFC.s, water vapour, etc., present near the earths surface. Therefore, they heat up the atmosphere near the earths surface and keep it warm. Therefore, they keep the temperature of earth constant and help in growth of plants and existence of life on earth. If there are no greenhouse gases, there would have no vegetation on earth and hence no life on earth.
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MODERN PUBLICATION-ENVIRONMENTAL POLLUTION -NCERT FILE ( NCERT TEXTBOOK EXERCISE )
  1. Define environmental chemistry.

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  2. Explain tropospheric pollution in 100 words.

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  3. Carbon monoxide gas is more dangerous than carbon dioxide gas. Why?

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  4. List gases which are responsible for greenhouse effect.

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  5. Statues and monuments in India are affected by acid rain. How?

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  6. What is smog? How is classical smog different from photochemical smogs...

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  7. Write down the reactions involved during the formation of photochemica...

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  8. What are the harmful effects of photochemical smog and how can they be...

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  9. What are the reactions involved for ozone layer depletion in the strat...

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  10. What do you mean by ozone hole? What are its consequences?

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  11. What are the major causes of water pollution? Explain.

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  12. Have you ever observed any water pollution in your area? What measures...

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  13. What do you mean by Biochemical Oxygen Demand (BOD)?

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  14. Do you observe any soil pollution in your neighbourhood? What efforts ...

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  15. What are pesticides and herbicides? Explain giving examples.

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  16. What do you mean by green chemistry? How will it help decrease environ...

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  17. What would have happened if the greenhouse gases were totally missing ...

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  18. A large number of fish are suddenly found floating dead on a lake. The...

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  19. How can domestic waste be used as manure?

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  20. For your agricultural field or garden you have developed a compost pro...

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