Fact 1: Most carcinogens cause cancer by producing mutations in DNA.

Fact 2: Cancer can cause death.

Given the two facts above, answer the question "What can cause death?" with the following options: 
- carcinogens
 - rivalry
 - smoking tobacco
 - Heavy rains
 - happiness
 - treatment
 - Pesticides
 - high temperature


 

 carcinogens        