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What emissions from human activities lea...

What emissions from human activities lead to ozone depletion? And what are the principal steps in stratospheric ozone depletion caused by human activities?

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NCERT TELUGU-BIO-GIO-CHEMICAL CYCLE-EXERCISE
  1. What is the importance of different biogeochemical cycles in the natur...

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  2. What emissions from human activities lead to ozone depletion? And what...

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  3. Why could we say that biogeochemical cycles are in “balance”?

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  4. If all the vegetation in the pond died, what effects would it have on ...

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  5. Write an experiment to prove greenhouse effect on temperature.

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  6. Describe interdependence of biotic and abiotic components by taking Ni...

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  7. What do you understand by Ozone layer? Write an essay to participate i...

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  8. Burning of fossil fuels a concern for scientists and environmentalists...

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  9. What role does carbon dioxide play in plant life processes?

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  10. How human activities caused an imbalance in biogeochemical cycles?

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  11. List three ways we, as humans, have affected the water cycle.

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  12. Describe the water cycle.

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  13. Explain the Nitrogen cycle, giving relevant examples.

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  14. What are the uses of oxygen?

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  15. What is ozone? Where is it present? What is its importance?

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  16. How much water is present on earth and in which forms?

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  17. How does carbon fixation occur in biological form?

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  18. What is greenhouse effect ? And how is it caused ?

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  19. What is global warming? What are its effects?

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  20. What happens if there is no evolution?

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