Which of the following is the lightest and thinnest layer of the earth?
a) Core
b) Crust
c) Mantle
d) none of these
What
is the thickness of crust layer?
a) 4-5km
b) 8-40km
c) 9-50km
d)
none of these
Which of the following percentage of earth volume is made of crust?
a) 1%
b) 2%
c) 3%
d) 4%
What is the percentage of earth mass is made of crust?
a) 0.5%
b) 1%
c) 2%
d) none of these
What is the thickness of ocean crust?
a) 5km
b) 10km
c) 15km
d) none of these
What is thickness of continental crust?
a) 25km
b) 30km
c) 35km
d) none of these
