Answer 1

The following landforms are formed by the depositional work of the sea waves and they are

Beaches: Land between two headlands. Because of the headlands, coast is somewhat protected from the onslaught of the waves

Sandbars: The landforms are produced due to deposition of sand on the sea coasts. Beach is one of them. The waves carry away the sand on the beaches.

Lagoons: Lagoons are commonly divided into coastal lagoons and atoll lagoons. Both the types of lagoon lakes are shallow and are separated from the main sea.