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what is the oceanic and continental crust made out of ?

Sagot :

AmazingJasiah

Answer:

Oceanic crust is generally composed of dark-colored rocks called basalt and gabbro. It is thinner and denser than continental crust, which is made of light-colored rocks called andesite and granite. The low density of continental crust causes it to “float” high atop the viscous mantle, forming dry land.

Explanation:

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