The two most common igneous rocks are basalt and granite. Basalt is commonly found ________ and granite is found ________.

A. on the continents; on the ocean floor
B. on the ocean floor; on the continents
C. on the ocean floor; on both the ocean floor and on continental land
D. on both the ocean floor and continental land; only on the continents


Answer: D

Environmental & Atmospheric Sciences

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