why do the andes have a greater proportion of an desire and davit relative to ba

Question

why do the andes have a greater proportion of an desire and davit relative to basalt than do island arcs

19) Why do the Andes a proportion of andesite and dacite relative to basalt than do island arcs' a) Because the have greater its type locale, the and for the Daces igneous rock andesite is named continental arcs b) The mantle melts to a greater degree under island arcs compared with under continental arcs c) Because slabs typically subduct under island arcs while younger ones of arc magmas occurs d) Thicker continental crust in the Andes means that more differentiation/assimilation at depth than in island arcs e) All of the above

Explanation / Answer

Answer

option c is the correct that is because older slabs typically subduct under island arcs while younger ones under continental arcs

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