Which type of dam is built to control downstream flooding?
a. flood-control dam
b. wing dam
c. hydroelectric dam
d. spillway dam
e. all types of dams
Question 2
Which is NOT an unintended consequence of building an artificial levee?
a. It causes the stream to flow faster.
b. It raises the water level during flooding.
c. It causes more upstream flooding.
d. It causes more downstream flooding.
e. It protects towns from flooding for a time.