Which event is an example of chemical weathering?
(1) rocks falling off a steep cliff
(2) feldspar in granite being crushed into clay-sized particles
(3) acid rain reacting with limestone bedrock
(4) water freezing in cracks in a roadside outcrop
Which event is an example of chemical weathering?
(1) rocks falling off a steep cliff
(2) feldspar in granite being crushed into clay-sized particles
(3) acid rain reacting with limestone bedrock
(4) water freezing in cracks in a roadside outcrop