Alfred Wegener was a:
geologist
geophysicist
astronomer
meteorologist
The inner most layer of the earth is
Mantle
Inner Core
Crust
None of these
In which plate margin does sea floor spreading occur?
Convergent margin
Divergent margin
Transform margin
On which scale is the earthquake measured ?
Plane scale
Richter scale
Compass
Divider
The earth's crust is broken into a number of huge parts. They are called
lithospheric plates
metamorphic plates
sedimentary plates
none of these
A tsunami is caused by:
an underwater earthquake
a rockslide into the sea
the gravitational pull of the moon
an underwater lava flow
What type of landform is developed in subduction zones?
Fold mountain
Ocean trenches
Oceanic ridges
Rift valley
