I would say that you have to look up this answer or ask another person because this is tricky
Answer:
The answer would be Clastic I think- I hope this helps you! :D
Answer:
Stalactites hang from the ceiling of a cave while stalagmites grow from the cave floor. ... A stalactite is an icicle-shaped formation that hangs from the ceiling of a cave and is produced by precipitation of minerals from water dripping through the cave ceiling. Most stalactites have pointed tips.
Answer:sand dunes
Explanation:
They are man made barriers, made of sand, to protect the coast from erosion from the incoming waves. They also help to control flooding from storm surge.