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

Fact 2: Friction is chronic impact, impact is acute friction.

Given the two facts above, answer the question "what causes the temperature of an object to increase?" with the following options: 
- decrease in motion
 - flow of electrons
 - chronic impact
 - Greenhouse gases
 - thermometer
 - lowering the heat
 - It gets heated up
 - kinetic energy


 

   chronic impact      