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Why is damage to the ozone layer a cause...

Why is damage to the ozone layer a cause for concern? What steps are being taken to limit this damage?

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MBD -HARYANA BOARD-OUR ENVIRONMENT-EXAMPLES
  1. Explain two ways in which non-biodegradable substances affect our envi...

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  2. If all the waste we generate is biodegradable, will this have no impac...

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  3. Why is damage to the ozone layer a cause for concern? What steps are b...

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  4. Differentiate the following: Ecosystem and biome

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  5. Differentiate the following:food chain and food web

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  6. Differentiate the following :carnivores and omnivores.

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  7. Why it is said that flow of energy is always unidirectional?

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  8. Why does food chain become short?

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  9. Can there be more than six trophic levels in a food chain? If not,why?

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  10. In the context of energy which level of food chain is considered benef...

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  11. Write in brief the role of decomposers in recycling.

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  12. What is meant by soil reosion?What are agents of soil erosion ?Write e...

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  13. Define environment ,What are its major components?

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  14. What is environmental pollution?Write three examples of non-biodegrada...

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  15. How does development affect our enivroment?

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  16. Define pollution.

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  17. Differentiate biodegradable and non-biodegradable pollutants. Classify...

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  18. Define biosphere.

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  19. What happens when we add waste to the environment?explain

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  20. List the biotic and abiotic components of ecosystKHO.

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