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The _______ is the deepest point in the world's oceans.
- Puerto Rico Trench
- Java Trench
- Mariana Trench
- Tonga Trench
Answer: Mariana Trench
The Mariana Trench in the western Pacific Ocean is the deepest point in the world's oceans. Its deepest part, Challenger Deep, reaches about 10,935 meters (35,876 ft) below sea level. It was first explored by the Trieste in 1960.