Answer:
A. Skateboarding
1. Action Force: You pushing on ground
2. Reaction Force: Ground pushing on you
B. Swimming
1. Action Force: The swimmer pushes the water in the backward direction
2. Reaction Force: Water exerts a force on the swimmer
C. Boating
1. Action Force: Boy's feet exert force on boat
2. Reaction Force: Boat exerts force on feet
D. Diving
1. Action Force: The diver pushing off of the raft
2. Reaction Force: The raft pushing back on the diver
E. Canon Firing
1. Action Force: Cannon fires cannonball to the right
2. Reaction Force: Cannonball forces cannon back to the left