MCQS
Earth surfaces changes due to…….
a) internal forces
b) external forces
c) both a & b
d) none of these
What are the internal forces of Earth’ssurfaces?
a) tectonic activity
b) wind
c) water
d) all of these
What are the external forces of earth’s surfaces?
a) wind
b) water
c) both a & b
d) none of these
Which of the following are the natural process by which rocks are broken down?
a) weathering
b) erosion
c) both a & b
d) none of these
Weathering (موسم زدگی (شکست وریخت)):