Q. The deepest surface depression on the earth is – (Solved)
1. Kurile Trench
2. Mariana Trench
3. Tonga-Kermadec Trench
4. Bentley Subglacial
- b. Mariana Trench
1. Kurile Trench
2. Mariana Trench
3. Tonga-Kermadec Trench
4. Bentley Subglacial