Fact 1: When an electrical circuit is working properly , electrical current runs through that circuit.

Fact 2: An electric current is then used to burn the tumor away.

Given the two facts above, answer the question "When the electrical circuit is working properly, what can happen?" with the following options: 
- dogs can run
 - heat production
 - enormous damage to homes
 - a tumor can be burned away
 - massive damage
 - sperm and egg fuse
 - baskets can be hand-woven
 - bacteria can thrive


 

    a tumor can be burned away     