Answers

2016-07-06T18:43:55+08:00
It will be melt in the mantle because the mantle produces a higher temperature than crust and as it melts it will be called magma

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2016-07-06T18:45:48+08:00
The leading edge of the subducted plate will eventually reach the mantle causing it to melt ang turn into magma. The molten material will rise to the surface creating a volcanic islan arc parallel to the trench. Volcanic islan arc is a chain of volcanoes position in an arc shape.
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