Question

in some places, granite rock extends as deep as ______. 16 kilometers 50 kilometers 71 kilometers 2,900 kilometers

Explanation:

Granite is part of the continental crust. The average thickness of the continental crust is about 30 - 70 kilometers. Among the options, 71 kilometers is a value within the possible range for the depth to which granite rock can extend in some places.

Answer:

C. 71 kilometers