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प्रश्न
Distinguish between Abyssal plains and Ocean deeps.
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उत्तर
| S.No. | Abyssal plain | Ocean deeps |
| (i) | Abyssal plains are under water plains found on the deep ocean floor. | These are the deepest part of the oceans. |
| (ii) | These plains extend from continental rise to the mid-oceanic ridges. | Trenches are the deepest part of the oceans. They occupy about 7% of the total relief of the ocean floor. |
| (iii) | Abyssal plains are usually covered by the thick layer of sediments composed of clay, silt, and sand. | These are sediment free. So most trenches are V-shaped with steep sides. |
| (iv) | Abyssal hills, sea mounts, guyots, coral atoll, etc., are the characteristic features. | epicenter of the great earthquakes is all found in the trenches. |
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संबंधित प्रश्न
The oceanic ridge comes into existence due to.
Which of the following indicates the correct sequence of the topography beneath the surface of the sea?
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): 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,
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Continental Rise
Extensive deposits of Minerals and Mineral fuels are found in ______.
Assertion (A): Continental slope is free from deposits as they are steep.
Reason (R): Abyssal plains appear as a uniform flat and featureless plain.
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Give reason for the following.
Most of the Creek area get submerged.
