Physical weathering is also known as……….weathering.
a) organic
b) biological
c) mechanical
d) chemical
...............in the rocks chemically react with water, oxygen and carbon dioxide.
a) Gases
b) Mineral
c) Plants
d) Bones
Winds erosion usually occurs in………areas.
a) wet
b) humid
c) dry
d) coastal
………are the main cause of coastal erosion.
a) Waves
b) Glaciers
c) Movements of earth
d) Wind
The Grand Canyon is an example of....erosion.
a) wind
b) water
c) glacial
d) mass wasting
Glacial erosion only occurs in…………areas.
a) hot
b) cold
c) moderate
d) temperate