Asked by WEREwolf
4. How are ocean trenches formed?
Here are somethings I think I can put:
Are any of these correct?
• Ocean trenches are formed when oceanic plate cools and moves to the surface of the ocean
• Ocean trenches are formed when the denser oceanic plate sinks.
• Ocean trenches are formed when molten rock cools and solidifies.
• Ocean trenches are formed when magma accumulates on the ocean floor.
Here are somethings I think I can put:
Are any of these correct?
• Ocean trenches are formed when oceanic plate cools and moves to the surface of the ocean
• Ocean trenches are formed when the denser oceanic plate sinks.
• Ocean trenches are formed when molten rock cools and solidifies.
• Ocean trenches are formed when magma accumulates on the ocean floor.
Answers
Answered by
bobpursley
When a continental plate converges with an oceanic plate a subduction zone forms. The heavier oceanic plate subducts beneath the lighter continental plate forming a trench.
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