Question

smokeless tobacco is less harmful than cigarettes
a true
b false
question 4
light cigarettes are less harmful than regular cigarettes.
a true
b false
question 5
smoking increases the risk of the following cancers except:
a throat
b lung
c breast
d bladder

Explanation:

• For the first question: Smokeless tobacco still contains harmful chemicals (e.g., nicotine, carcinogens) and causes oral, pancreatic, and other cancers, though it may have lower lung cancer risk than cigarettes—it is not "less harmful" overall.
• For the second question: Light cigarettes have similar tar/nicotine intake when users compensate by smoking more deeply; they are not less harmful.
• For the third question: Smoking is linked to throat, lung, and bladder cancers, but the link to breast cancer is less direct/consistent compared to the others.

Answer:

First question: B. False
Second question: B. False
Third question: C. Breast