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Earth Sciences 7 Online
OpenStudy (anonymous):

an ocean trench forms when?

OpenStudy (anonymous):

it forms when water presure pushes the sand down witch forms a trench.

OpenStudy (anonymous):

an ocean trench forms when? one tectonic pate sinks below another plate

OpenStudy (anonymous):

An ocean trench is formed when two (convergent plate boundaries) tectonic plates collide and forms a subduction zone (one plate slides under the other) This is where the trench is made.

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