The most effective process of fluvial erosion is:
a. hydraulic action.
b. corrosion.
c. suspension.
d. saltation.
e. abrasion.
Question 2
Floodplains are made:
a. by tectonic activity.
b. by glaciation.
c. of lateral and vertical accretion deposits.
d. artificially by people.
e. by lakes.