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All the living organisms are basically m...

All the living organisms are basically made up of C,N,S,P,H and O, . How do they enter the living forms? Discuss.

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Hint. (i) From air `(CO_(2))`, from soil (water an ions) enter into plants and become components of organic materials by photosynthesis.
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PRADEEP-NATURAL RESOURCES : OUR ENVIRONMENT-SHORT ANSWER QUESTIONS
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  7. Why does Mathura refinery pose problems to the Taj Mahal?

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  8. Why do not lichens occur in Delhi whereas they commonly grown in Manal...

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  9. Why does water need conservation even though large oceans surround the...

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  10. There is mass mortality of fishes in a pond. What may be the reasons?

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  11. Lichens are called pioneer colonisers of bare rock. How can they help ...

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  12. Soil is formed by water'. If you agree to this statements then give re...

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  13. Fertile soil has lots of humus. Why?

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  14. Why step farming is common in hills?

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  15. Why are root nodules useful for the plants?

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  16. What are inexhaustible resources?

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  17. Difine renewable resources ? Give examples.

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  18. Give two examples of non-renewable resources.

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  19. Give two ways in which carbon dioxide is fixed.

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  20. Name the articles which act as nucleus for water droplets to form arou...

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