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, answer the question "What are formed by sediments such as clay and sand by water?" with the following options: 
- detritus
 - stalactites
 - watershred
 - swamp vegetation
 - patch reefs
 - soft soil
 - kalenchoes
 - erosion


 

  stalactites       