The crust and the upper-most part of the mantle up to a depth of 200 km from the surface of the earth is called:?

The crust and the upper-most part of the mantle up to a depth of 200 k

1.	The crust and the upper-most part of the mantle up to a depth of 200 km from the surface of the earth is called:?
A.	Pyrosphere
B.	Osophere
C.	Cyrosphere
D.	Lithosphere
Answer» E.