What Are Tectonic Plates?
8. The Mariana Trench
The Mariana Trench is the deepest part of Earth. At 7-miles deep, only the latest high-tech submarines can reach it because of the crushing pressure from the vast amount of water below. If we were able to lift up mount Everest and drop it into the trench, its peak would still be over a mile below the surface of the water.
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The Mariana Trench is caused by a subduction system on a divergent plate boundary. The trench is more than 1,500 miles long and is, on average, around 42 miles wide. This part of the world has been explored so little that we are still discovering new species there.
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