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What percentage of the ocean bottom is covered by trenches?
Approximately 2.5% of the ocean bottom is covered by trenches, which are deep depressions in the ocean floor that form where tectonic plates collide and one plate is forced beneath the other. These trenches can be incredibly deep, with the Mariana Trench being the deepest known point in the ocean.
Where do you find ocean trenches and rift valleys?
at the very bottom of the ocean, usally
How is the oceans temp different?
At the top of the ocean, or Sunlit, It is warmer because the top of the ocean the sun is closer then it is to the twilight,dark,abyss, and trenches zone. At the bottom of the ocean, or Trenches, It is colder because the sun can not reach that low in the ocean better then it can the Sunlit zone.
How many trenches does the Atlantic ocean have?
there are three ocean trenches in the Atlantic Ocean
What deep sea vehicle has explored the bottom of the ocean?
The Triestes a Bathyscaph. In the 1960's I believe. But nothing has every been to the bottom of the trenches and came back.
Is the middle zone the bathypelagic zone?
Yes, underneath the epipelagic and mythepelagic zones, but over the bottom of the ocean and trenches still farther down than the bottom.
What is the floor of the ocean called?
The floor of the ocean is called the seabed or ocean floor. It is made up of different features such as abyssal plains, trenches, ridges, and volcanoes.
Where does the sediment on the abyssal plain come from?
It comes from sea mounts and ocean trenches.
Trenches are the deepest parts of the ocean floor which of the earth's four oceans hs the deepest trenches?
The Pacific Ocean has the deepest trenches.
What ocean has many deep valleys or trenches?
Trenches
Where do giant squids live in deep oceans trenches or mid ocean trenches?
Giant squid primarily live in deep ocean trenches.
What are the valleys under the ocean called?
They are called trenches.
