Fact 1: Eating something that contains pollutants has a negative impact on an organism 's survival.

Fact 2: Smoking or pollution can and do cause cancer.

Given the two facts above, answer the question "What can cancer have?" with the following options: 
- nucleus of a cell
 - a lot of human deaths
 - Short term wealth
 - decreased differentiation
 - Positive impact
 - death and devastation
 - Negative impact on survival
 - children


 

       Negative impact on survival  