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प्रश्न
What do you mean by ocean currents?
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उत्तर
Oceans Currents: The movement of oceanic water on the surface and at the depths in a definite direction is called ocean current. Ocean currents are in clockwise motion in the northern hemisphere and in the anti-clockwise motion in the southern hemisphere.
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संबंधित प्रश्न
Ocean currents are produced due to ______.
Assertion(A): Flat-topped seamounts are known as Guyots.
Reason(R): All guyot features are of volcanic origin.
Assertion(A): Submarine canyons are deep gorges on the ocean floor.
Reason(R): They are mainly restricted to continental shelf, slope and rise.
Assertion (A): Atolls are more common in the Atlantic ocean.
Reason(R): The marine population at the depth is less.
Write a note on continental shelf and continental slope.
Explain the types of ocean currents.
The height of the waves depends on ______.
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): On the basis of temperature, ocean currents can be classified as warm currents and cold currents.
Reason (R): The movement of ocean current from the low latitudes towards high latitudes cause cold current.
Give reason for the following.
Oceans are the lifelines of Earth and Mankind.
