31. C
- Smoking causes lung cancer, which is the number one cancer among men.
32. D
- Smoking is also the leading cause of mouth cancer, tongue cancer, and throat cancer.
33. C
- Smoking causes one million early deaths in the world every year.
34. B
- Smokers breathe smoke out into the air. They breathe it out on their children and their wives or husbands.
35. B
- Women who are married to smokers are more likely to have lung cancer than those married to non-smokers.