Match the vocabulary to their definitions.
1. cave
a feature of wave erosion that forms when waves erode a layer of softer rock that underlies a layer of harder rock
2. cavern
a part of the shore that sticks out into the ocean; it’s made of harder rock that resists erosion by waves
3. headland
the process by which waves repeatedly hit the beach and some of the beach sediment moves down the beach with the current
4. longshore drift
a deposit of windblown sand that forms when wind meets an obstacle
5. sand dune
a natural underground void large enough for a human to enter
6. sea arch
a deposit that forms from the cave floor as slow dripping carbonic acid builds up in a cone-shape
7. stalagmite
a connection or system of underground caves formed chemically through things like acid rain