Land formations[

3. deep narrow depression in the ocean floor formed at subduction zones where tectonic plates collide
8. The wearing away of coastal land by natural forces such as waves, tides, and currents.
9. A landform at the mouth of a river where sediment is deposited faster than it can be removed by tides and waves.
10. Long, narrow islands made of sand that run parallel to the mainland coast.
11. a pillar of rock isolated from the coast by erosion of An arch

1. A narrow strip of sand or shingle that extends from the coast into the sea, formed by longshore drift.
2. Adding sand or shingle to beaches to replace eroded material.
4. A steep rock face along the coast, formed by processes of erosion and weathering.
5. steep descent from the edge of the conirntsl shelf to the ocean floor
6. Underwater mountain range formed by plate tectonics where new oceanic crust is created.
7. structure buoy perpendicular to the shore to trap sediment moved by longshore drift