You are presented with the question "what effects the colligative properties of solids" and the following answer choices: 
- salts
 - seasons
 - solutes
 - size
 - a prism
 - forces
 - fields
 - Alcohol

Now knowing that adding salt to a solid decreases the freezing point of that solid and freezing point depression is a colligative property, choose the best answer.


 

 salts        