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9th Standard Social Science - Hydrosphere Two, Three, and Five Marks Questions Question Bank Software Oct-10 , 2019

Hydrosphere

9th Standard Social Science - Hydrosphere Two, Three, and Five Marks Questions

    4 x 2 = 8

  1. Mention the four spheres of the earth.

  2. Why is earth called a Blue planet?

  3. What is Hypsometric curve?

  4. Explain the terms a) Isobath b) Isohaline

    5. 4 x 5 = 20

  5. Write a paragraph on the origin of oceans.

  6. Write a note on continental shelf and continental slope

  7. 71% of the earth is covered by water, but very little can be used by humans. Why?

  8. What will happen if the seas and oceans contain only fresh water?

    9. 4 x 3 = 12

  9. What do you mean by the term Hydrosphere?

  10. Write a brief note on sea waves.

  11. What do you mean by the ocean salinity?

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