Q: Fact 1: Stalactites are formed by deposition. Fact 2: And new sediments such as clay and sand are being deposited by water. Given the two facts above, what are formed by sediments such as clay and sand by water?

Available options: (1). detritus (2). stalactites (3). watershred (4). swamp vegetation (5). patch reefs (6). soft soil (7). kalenchoes (8). erosion
A:
(2).