Consider the following statements about the lithosphere and select the correct answer using the code given below: 1. Earth's crust and that portion of the uppermost mantle directly below the crust extends down up to 70 km. 2. Lithosphere varies in thickness from only a few kilometers in oceans.

Consider the following statements about the lithosphere and select the

1.	Consider the following statements about the lithosphere and select the correct answer using the code given below: 1. Earth's crust and that portion of the uppermost mantle directly below the crust extends down up to 70 km. 2. Lithosphere varies in thickness from only a few kilometers in oceans.
A.	Only 1 is correct
B.	Only 2 is correct
C.	Both 1 and 2 are correct
D.	Neither 1 nor 2 is correct
Answer» D. Neither 1 nor 2 is correct