Fact 1: Electrical current running through a wire causes that wire to heat up.

Fact 2: Electricity is a kinetic energy.

Given the two facts above, answer the question "_ running through a wire causes that wire to heat up" with the following options: 
- sunlight
 - hydrogen and oxygen
 - activation energy
 - to move people
 - an object
 - rays or beams
 - kinetic energy
 - reflecting light


 

       kinetic energy  