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How deep trenches are formed?
Deep-ocean trenches are formed where seafloor tectonic plates subduct under continental plates.
What are the valleys under the ocean called?
They are called trenches.
Does theory continental drift state that new ocean crust is formed at ocean ridges and destroyed at deep sea trenches?
No, the theory is that Seafloor spreading state that the new ocean crust is formed at ocean ridges and is destroyed at deep sea trenches.
What make trenches in the ocean?
Deep ocean trenches can be formed by undersea earthquakes, land-slides, but also by the movement along the edges of tectonic plates.
Where do trenches form?
Treches are formed when an ocean plate subducts under a continental plate.
What do fold mountains and ocean trenches have in common?
They are both formed at destructive plate boundaries
What are 2 geological features that can occur at plate boundaries?
Two geological features that can occur at plate boundaries are mountain ranges, formed from the collision of two plates, and deep ocean trenches, formed at subduction zones where one plate is forced beneath another.
Does the theory of continental drift state that ocean crust is formed at ocean ridges and destroyed at deep sea trenches?
Yes
What is the difference between a ocean ridge and trench?
Trenches are formed by divergent plates, Whereas Ridges are formed by plate in collision.
In which ocean are most of the deep-sea trenches located?
Most of the deep-sea trenches are located in the Pacific Ocean. These trenches are formed by the subduction of tectonic plates, where one plate slides beneath another, creating deep underwater chasms. The Mariana Trench, the deepest known trench on Earth, is located in the Pacific Ocean.
What are ocean trenches associated with?
Deep ocean trenches are associated with subduction zones where an ocean plate descends into the asthenosphere. The Ocean plate is heavier than a Continental plate which causes the Ocean plate to slide beneath the Continental plate. As the Ocean plate descends, a deep ocean trench is formed.
How many trenches does the Atlantic ocean have?
there are three ocean trenches in the Atlantic Ocean
