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

Fact 2: Asbestos is a dangerous carcinogen.

Given the two facts above, answer the question "What causes cancer?" with the following options: 
- the skin
 - smoking
 - Pollution
 - cigarettes
 - Asbestos
 - Eating too much
 - Potatoes
 - buffalo sauce


 

     Asbestos    