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The Mariana Trench
The Mariana Trench0There are over 20 oceanic trenches around the world. They are created when the oceanic crust starts to descend into the asthenosphere. The Mariana Trench is as deep as 11,034 m below sea level, and this point is known as the deepest location on Earth. In comparison, Mount Everest is about 8,849 m high, and it wouldn’t even be able to touch the floor of the Mariana Trench. Guam is located on the western end of this trench.
For a long time, because it is so cold and dark deep under the Mariana Trench, scientists didn’t believe that any creature could live there. However, thanks to developments in technology, they have found some forms of life there, including amphipods that are around 20 cm long. They are comparatively larger than a regular amphipod, which is only about the size of a fingernail. Almost all creatures at the bottom of trenches are soft with no skeletal system. Otherwise, the underwater pressure would crush them. Scientists are positive that there are many more incredible ocean creatures to discover at the bottom of the Mariana Trench.

Jeanne Lee
Staf Reporter
(ttt@timescore.co.kr)
 
인쇄기능입니다.
1. How are the trenches created?
2. Why do most creatures under the Mariana Trench have no skeletal system?
 
1. Where is nature presented most beautifully ? the forests, beaches, deserts, or space? Why?
2. What would life be like without nature?
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