Question: If the cumulative incidence for lip cancer risk is: 0.001% for people who don't chew tobacco or smoke cigarettes, 0.002% for people who smoke cigarettes but don't chew tobacco, 0.01% for people who chew tobacco but don't smoke cigarettes, and 0.04% for people who chew tobacco and smoke cigarettes, how would you classify the interaction between chewing tobacco and smoking on lip cancer risk? Group of answer choices There is no interaction between smoking and chewing tobacco on lip cancer risk There is interaction between smoking and chewing tobacco on lip cancer risk