McqMate
| Q. |
The deepest trench of the world- ‘The Mariana Trench’ is located in the: |
| A. | Indian Ocean |
| B. | Atlantic Ocean |
| C. | Arctic Ocean |
| D. | Pacific Ocean |
| Answer» D. Pacific Ocean | |
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Explanation: The Mariana Trench or Marianas Trench is the deepest part of the world’s occans. It is located in the western Pacific Ocean, to the east of the Mariana Islands. The trench is about 2,550 kilometres long but has an average width of only 69 kilometres (43 mi). It reaches a maximum-known depth of 10.994 km. The trench is not the part of the seafloor closest to the center of the Earth. This is because the Earth is not a perfect sphere: its radius is about 25 kilometres less at the poles than at the equator. As a result, parts of the Arctic Ocean seabed are at least 13 kilometres (8.1 mi) closer to the Earth’s center than the Challenger Deep seafloor. |
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