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March 29, 2015

Homework Help: science 1 question

Posted by TTR+S<3 on Wednesday, April 23, 2014 at 6:37pm.

4. How are ocean trenches formed? (1 point)
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.

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