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Question
Q. With reference to Oceanic Trenches, consider the following statements:
Which of the above statement (s) is/are correct?
Q. With reference to Oceanic Trenches, consider the following statements:
Which of the above statement (s) is/are correct?
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Solution
The correct option is D
1, 2 and 3
Explanation:
Statement 1 is correct: Trenches are the deepest parts of the oceans. The trenches are relatively steep-sided, narrow basins. They are some 4-5 km deeper than the surrounding ocean floor.
Statement 2 is correct: Ocean trenches are a feature of convergent plate boundaries, where two or more tectonic plates meet.
Statement 3 is correct: As they lie along the convergence points of oceanic plates, there is a frequent occurrence of earthquakes. The deepest ocean trenches ring the Pacific as part of the so-called “Ring of Fire” that also includes active volcanoes and earthquake zones.
1, 2 and 3
Explanation:
Statement 1 is correct: Trenches are the deepest parts of the oceans. The trenches are relatively steep-sided, narrow basins. They are some 4-5 km deeper than the surrounding ocean floor.
Statement 2 is correct: Ocean trenches are a feature of convergent plate boundaries, where two or more tectonic plates meet.
Statement 3 is correct: As they lie along the convergence points of oceanic plates, there is a frequent occurrence of earthquakes. The deepest ocean trenches ring the Pacific as part of the so-called “Ring of Fire” that also includes active volcanoes and earthquake zones.
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