Answer:
1. Huge waves
Step-by-step explanation:
1. Tsunami is harbor waves that cause the displacement of a large volume of water generally in oceans and lakes. And large storms are water rising from low-pressure systems mostly causing coastal floodings and occur through seismic events.
2). a. Erosion by rivers
b. longshore transport from one side to another.
c. Erosion of older beaches and foreshore deposits.
d. Erosion of older deposits on the inner shelf