Earthquake waves _______ in velocity upon entering the mentle.
A.Change
B.Increase
C.Decrease
D.None of these
Category: Internal Structure of Earth Mcqs
Mohorovic Discontinuity is the difference of density from:
A.Core to crust
B.Mental to core
C.Crust to mental
D.Core to mental
The fourth layer of earth described by Vander Gracht is ________
A.Nucleolus
B.Centrospheres
C.Core
D.None of these
_______ has divided the entire earth into two broad divisions.
A.R.A. Dally
B.Arthur Holmes
C.Suess
D.Jeffrey
Liquid outer core is ______ thick.
A.2240 km
B.2250 km
C.2260 km
D.None of these
An average depth of Sial varies from ______ km.
A.30-300
B.40-30
C.50-300
D.60-300
_______ of outer layer prevents the core from becoming a liquid or gas.
A.Density
B.Molten form
C.Great weight & pressure
D.Heat & Weight
Seismic waves are the result of:
A.Seismic activity
B.Wind force
C.Land slides
Silicon found in earth crust________.
A.17.70%
B.27.70%
C.37.70%
D.47.70%
Earth flows normally take place:
A.In humid regions
B.In cool regions
C.Both (a) & (b)
D.None of these
