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Do you know of any activity which may be...

Do you know of any activity which may be polluting this water source?

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MBD -HARYANA BOARD-OUR NATURAL RESOURCES-Example
  1. Why do organisms need water ?

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  2. What is the major source of fresh water in the city/town/village where...

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  3. Do you know of any activity which may be polluting this water source?

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  4. How is soil formed?

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  5. What is soil erosion?

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  6. What are the methods of preventing or reducing soil erosion?

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  7. What are the different states in which water is found during the water...

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  8. Name two biological important compounds that contain both oxygen and n...

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  9. List any three human activities which would lead to an increase in CO2...

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  10. What is greenhouse effect ?

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  11. What are the two forms of oxygen found in the atmosphere?

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  12. Why is the atmosphere essential for life?

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  13. Why is water essential for life?

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  14. How are living organisms dependent on the soil ? Are organisms that li...

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  15. You have seen weather reports on television and in newspapers. How do ...

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  16. We know that many human activities lead to increasing levels of pollut...

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  17. Write a note on formation of soil.

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  18. What are the effects of use of fertilizers and pesticides for long per...

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  19. What are the effects of use of fertilizers and pesticides for long per...

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  20. Why is soil as resource important for mankind ? Mention the constituen...

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