1.

Which of the following statements are valid for Tectonic plates1. Include the crust and the uppermost mantle2. Are the outermost shell of the solid earth?3. Are a rigid, solid layer about 100 km thick?

A. Only 1
B. 1 and 2
C. 2 and 3
D. 1, 2 and 3
Answer» E.


Discussion

No Comment Found