the continental crust is ?
A. up to 70km thick.
B. formed from quickly cooled lava.
C. composed mostly of basalt
D. made of rock 200 million years old.



Answer :

A. up to 70km thick.

The continental crust can indeed be up to 70 kilometers thick in some areas, particularly in mountainous regions. The other options are not accurate descriptions of the continental crust.