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प्रश्न
Ocean currents are produced due to ______.
पर्याय
due to rotation of earth
due to variation in temperature
due to earth’s movement
all the above
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उत्तर
All the above
APPEARS IN
संबंधित प्रश्न
The oceanic ridge comes into existence due to.
Assertion(A): Submarine canyons are deep gorges on the ocean floor.
Reason(R): They are mainly restricted to continental shelf, slope and rise.
Match the following:
| 1. | Mariana trench | Decreases salinity in the oceans |
| 2. | Great Barrier Reef | Along the coast of Japan |
| 3. | Spring tides | Deepest point in the Pacific |
| 4. | Heavy rains | Australia |
| 5. | Kuroshio current | Second order landform |
| 6. | Continental slope | On full and new moon days |
Write a note on continental shelf and continental slope.
Assertion(A): Salinity is higher in closed ocean basins.
Reason(R): Enclosed ocean basins undergo little mixing with the open ocean.
Explain the term
Isohaline
Write a short note on the movement of the ocean water.
When was the National Institute oceanography established? What do they do?
The oceans are salty. Why?
“Though Caspian Sea is enclosed its salinity is just 14 to 17 parts per thousand. Why is it so?
