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प्रश्न
What are the factors that generate the ocean currents?
उत्तर
The factors that generate ocean currents are:
- Earth’s rotation
- Prevailing winds and
- Differences in temperature and salinity of ocean water.
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संबंधित प्रश्न
Which of the following indicates the correct sequence of the topography beneath the surface of the sea?
Assertion(A): Flat-topped seamounts are known as Guyots.
Reason(R): All guyot features are of volcanic origin.
Distinguish between Spring tide and Neap tide.
Write a note on continental shelf and continental slope.
A very long narrow depression on the ocean floor is called ______.
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): Ocean currents are in clockwise motion in the Northern Hemisphere and in the anti-clockwise motion in the Southern hemisphere.
Reason (R): The movement of ocean currents from high latitudes to low latitudes is called warm currents.
Assertion (A): The ocean/seawater does not contains calcium in great quantities.
Reason (R): Many of the aquatic animals with shells use the dissolved calcium in the seawater to build their protective shells.
Give reason for the following.
Oceans are the lifelines of Earth and Mankind.
The oceans are salty. Why?
