Question -
Answer -
As many as 57 deeps have been explored so far; of which 32 are in the Pacific Ocean; 19 in the Atlantic Ocean and 6 in the Indian Ocean. Some important trenches of the world are as follows:
• Mariana Trench: It is the world’s deepest trench. It lies in Pacific Ocean. It is 11034 km below the ocean.
• Puritonko Trench: It is deepest trench in Atlantic Ocean.
• Sunda Trench: It is deepest trench in Indian Ocean.