2._______is the one that returns to the sea and is less powerful. 3.______are small in height, has a gentle angle and has lesser energy. 4.when the cliff dissolves by slightly acidic water, it is called_______ 5.low Hills of sand called_______may develop on the spit. 6. A_______ is a ridge of sand which extends out from the mainland across a bay. 7.when rocks and pebbles collide with each other and roll around, they become smaller and more rounded. This coastal process is called_______. 8.landforms of coastal depositions are formed to the transport process of______and the work of constructive waves leading to deposition. 9. A_______ was formed on a sand spit connects island to the mainland. 10.waves carrying beach materials such as sand and rocks are thrown against the cliff wearing it away is called_____.