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How deep trenches are formed?
Deep-ocean trenches are formed where seafloor tectonic plates subduct under continental plates.
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 is a island arcs?
it is a string of islands formed above a deep ocean trench
What is a sea current?
A Deep Sea Current is a ocean current formed by density.
How is a deep ocean current formed?
Deep ocean currents are formed by differences in water temperature and salinity, as well as by the topography of the ocean floor. Cold, dense water sinks and flows along the bottom of the ocean, while warm water rises and flows along the surface, creating a continuous circulation pattern. This movement of water is also influenced by the rotation of the Earth and wind patterns.
Does the theory of continental drift state that ocean crust is formed at ocean ridges and destroyed at deep sea trenches?
Yes
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.
What does Deep Current mean?
A Deep Sea Current is a ocean current formed by density.
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 is the deepest and darkest area of the ocean?
The deepest point in any ocean is the Mariana Trench (aka Challenger Deep) in the western Pacific Ocean at 11,033 metres deep.
What other ocean floor feature is formed by movement of Earth's plates?
what other ocean floor feature is fromed by movement of earth's plates
How are deep ocean vents formed?
the chimneys that shoot up minerals slowly build on itself and forms.
