The crust accounts for _______ of earth’s mass.
A.1.01%
B.0.02%
C.0.03%
D.0.04%
Category: Internal Structure of Earth Mcqs
The ______ Layer circumscribes the entire planet but is exposed only in ocean basins.
A.Lithosphere
B.Mesosphere
C.Sial
D.Sina
When material breaks away due to earth flow it normally leaves:
A.Scar on hill top
B.Cliff
C.Canyon
The most rigid and crystallize part of earth is _______.
A.Asthenosphere
B.Lithosphere
C.Mesosphere
D.Centrospheres
Temperature of core could be:
A.7000?F to 8000?F
B.400(N? to 5000?F
C.6000?F to 7000?F
________ of mental material produces convection currents beneath the surface of the earth.
A.Heat
B.Density
C.Circular motion
D.Horizontal movement
Temperature of ______ ranges from 3000
A.Core
B.Lava
C.Magma
D.Mantle
95% of the lithosphere is composed of:
A.Sedimentary rocks
B.Igneous Rocks
C.Metamorphic rocks
D.None of these
According to Jaffery’s division the 3rd layer is made up of _________.
A.Dunite & Predolite
B.Dioite & Predolite
C.Dunite & Dionte
D.Diorite & Thicklite
______ waves move objects at right angles to their direction of motion.
A.S
B.L
C.P
D.None of these
