Fact 1: Friction causes the temperature of an object to increase.

Fact 2: Heat and temperature are the same.

Given the two facts above, answer the question "Friction causes the heat of an object to do what?" with the following options: 
- increase
 - energy
 - slowing it down
 - Energy.
 - It expands
 - decrease
 - Evaporation
 - stay the same


 

 increase        