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प्रश्न
Answer in detail:
There is a similarity in the relief on the land surface and the ocean bottom.
उत्तर
Like the land, there are landforms below the ocean too because -
- Continental shelf is a mere continuation of the coastal plain, sloping gently, they resemble gently sloping low-lying areas.
- As there are plains formed on the surface, a similar feature in form of extensive flat land is found on the ocean floor, they are called abyssal plains.
- Mountains and ranges are found on the earth's surface, as seamounts and ridges are found as part of the ocean floor. For example, Mid-Indian Ridge.
- Some oceanic ridges have flat and extensive tops, they are called oceanic plateaus. For example, Chagos Plateau in the Indian Ocean.
- V-shaped valleys on the surface of the earth are similar to the deep, narrow, and steep sloping depressions, they are called deeps or sea trenches. For example, Kuril Trench in the Pacific Ocean in Japan.
- Many canyons and gorges are also found on the earth's surface and in the oceans too.
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संबंधित प्रश्न
Identify the correct correlation:
A: Assertion; R: Reasoning
A: More deposition occurs in the continental slope.
R: The slope is steeper here.
Identify the correct correlation :
A: Assertion; R: Reasoning
A: The islands are actually peaks of submerged mountains.
R: Some peaks of submerged mountains come above the sea level.
Identify the correct correlation:
A: Assertion; R: Reasoning
A: The abyssal plains are the deepest parts of the ocean
R: They lie at the bottom of the ocean
Give a geographical reason.
Fishing has developed on continental shelves.
Give geographical reasons.
Our knowledge regarding the oceanic trenches is limited.