Fact 1: Adding salt to a liquid decreases the melting point of that liquid.

Fact 2: Water is also a liquid.

Given the two facts above, answer the question "What decreases the melting point of water?" with the following options: 
- forces
 - Dilution
 - erosion
 - Heat energy
 - chilling water
 - heating water
 - reading books
 - adding salt


 

        adding salt 