Deepest Point on Earth
The deepest point on Earth is located in the Mariana Trench, specifically at a site known as the Challenger Deep. Below are some key details:

1. Location and Depth
- The Mariana Trench is situated in the western Pacific Ocean.
- Challenger Deep reaches depths of approximately 10,994 meters (36,070 feet).

2. Comparison with Other Locations
- **Atlantic Ocean**: The deepest point, known as the Puerto Rico Trench, is about 8,376 meters deep, which is significantly shallower than the Mariana Trench.
- **Lake Victoria**: This is one of the largest lakes in Africa but has a maximum depth of only about 83 meters (272 feet).
- **Dead Sea**: It is the lowest point on land at around 430 meters below sea level but is not as deep as the oceanic trenches.

3. Importance of the Mariana Trench
- **Biodiversity**: The trench hosts unique organisms adapted to extreme pressures and darkness.
- **Scientific Research**: It is a focus for studies related to geology, oceanography, and biology.

4. Exploration Challenges
- The extreme depth and pressure make exploration difficult.
- Recent expeditions have utilized advanced submersibles and robotic technology to study the trench.
In summary, the Mariana Trench, specifically Challenger Deep, is the deepest point on Earth, far exceeding the depths of the Atlantic Ocean, Lake Victoria, and the Dead Sea.