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7 January, 07:39

Oceanic crust is composed mainly of basalt. continental crust is composed mainly of granite. why does oceanic crust generally tend to subduct under continental crust when plates collide

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  1. 7 January, 09:17
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    Answer and Explanation:

    Oceanic crust has a different density amount than continental crust. So since the oceanic crust is actually denser than continental, when plates collide. Oceanic would be the crust to sub duct under continental crust
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