Q260
Which of the following are true regarding the crust of the earth? I. It is the outer thin layer with a total thickness of about 100 km II. It forms around 0.5% of the earth's volume III. The outer covering of the crust is of sedimentary material IV. The lower layer of the crust consists of basaltic and ultra-basic rocks
A.
I and II
B.
I, II and III
C.
I, II and IV
AnswerD.
I, II, III and IV
Answer: Option C
Solution
Answer: Option C
Solution:
The following that are true regarding the crust of the earth are that it is the outer thin layer with a total thickness of about 100 km, it forms around 0.5% of the earth's volume and the lower layer of the crust consists of basaltic and ultra-basic rocks.