Which of the following is an example of natural erosion?
a.
ice forming in cracks of rocks
b.
acid rain falling on sidewalks
c.
waves washing over rocks on the beach
d.
water washing away soil in an area used by off-road vehicles
a.
ice forming in cracks of rocks
b.
acid rain falling on sidewalks
c.
waves washing over rocks on the beach
d.
water washing away soil in an area used by off-road vehicles