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प्रश्न
Mention the various relief features of ocean floor.
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उत्तर
The ocean basins are characterized by the following major relief features:
- Continental shelf
- Continental slope
- Continental rise
- Deep sea plain or Abyssal plain
- Oceanic deep
- Oceanic ridge.
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संबंधित प्रश्न
Explain the types of ocean currents.
Assertion (A): The gravitational pull of the sun and moon on earth cause tides on sea water.
Reason (R): Neap tides are caused when the first and last quarter moon appears.
Assertion (A): The energy of the falling wave water is used to turn hydro turbines to generate power.
Reason (R): Gulf of Khambat is one of the potential Tidal energy Zones.
Assertion (A): The mid ocean ridge is probably the most extensive single feature of the earth’s topography.
Reason (R): The Mid – Atlantic Ridge is the largest unbroken oceanic ridge,
Write a note on ONGC.
Consider the following statement.
- Submarine Fans which are similar to the alluvial fans found in water.
- Aquatic life has a very slow rate of metabolism.
- Dragon Hole is the deepest known underwater sinkhole in the world.
- Abyssal plains are usually covered by a thick layer of sediments.
Assertion (A): Continental shelf is almost a uniform zone of sea bed with gentle gradient.
Reason (R): This enables sunlight to penetrate through the water.
What is called continental rise?
Give reason for the following.
Most of the Creek area get submerged.
Why is the salinity at the equator less even though it experiences high temperature?
