Where would you be most likely to find the oldest rocks on earth?
A. In the middle of the oceans.
B. In the middle of the highest mountains.
C. At the outer edges of oceanic crust.
D. In the middle of the continents
A. In the middle of the oceans.
B. In the middle of the highest mountains.
C. At the outer edges of oceanic crust.
D. In the middle of the continents