What would happen if a new shipping channel was cut through a ...

[nautica902]

What would happen if a new shipping channel was cut through a barrier island on the east coast of the
  U.S. and lined with jetties where there is a strong southward longshore current?
  a. The shoreline on the north side would widen seaward, and the one on the south would
  erode and retreat landward.
  b. The shoreline on the south side would widen, and the one on the north would erode and
  retreat landward.
  c. Both shorelines would retreat.
  d. Neither shoreline would retreat.
  e. All of the barrier islands would disappear because of erosion.

Question 2

If dams were constructed on all the streams leading to a shoreline all of the following would be
  expected to happen to the coast except?
  a. Beaches would get smaller or even disappear.
  b. Coastal erosion would increase.
  c. Sand bars and spits would decrease in size.
  d. Barrier islands would retreat and decrease in size.
  e. An increase in the number of tsunamis

[asdfasdf]

Answer to Question 1

A

Answer to Question 2

E

[nautica902]

Wow, this really help

[meganmoser117]

Great answer, keep it coming