You are presented with the question "Chrissospilias are formed by " and the following answer choices: 
- deposition
 - pressurization
 - condensation
 - cells
 - decomposition
 - Water expanding
 - erosion
 - tiny polyps

Now knowing that stalactites are formed by deposition and chrissospilia is a cave with stalagmites and stalactites, choose the best answer.


 

 deposition        