You are presented with the question "what is formed by deposition?" and the following answer choices: 
- h2o
 - oceans
 - Sediment
 - soft soil
 - calcite
 - clouds
 - cave roofs
 - Sand dollars

Now knowing that stalactites are formed by deposition and small stalactites predominate on the cave roof, choose the best answer.


 

       cave roofs  