What is the other name used for physical weathering?
a) chemical weathering
b) mechanical weathering
c) both a & b
d)
none of these
Mechanical weathering produces…
a) smaller particles
b) clay minerals
c) calcium carbonate
d) none of these
Which of the following effects the rate of weathering?
a) soil type extent
b) rock type
c) the climate
d) all of these
Composition of rocks changes in………
a) physical weathering
b) chemical weathering
c) both a & b
d) none of these
Which of the following are the substances by which minerals reacts and convert into new one?
a) water
b) oxygen
c) carbon dioxide
d) all of these
The most common natural acids on the surface of earth is…
a) nitric
b) hydrochloric
c) carbonic
d) sulphuric