Biology · Human Diseases
Which of the following best explains how cigarette smoking primary causes lung cancer?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1Smoking transfers oncogenic viruses into the lungs
- 2Nicotine present in cigarettes directly damages DNA cells
- 3Cigarette smoke contains numerous chemical carcinogens✓
- 4Smoking decreases oxygen absorption causing cell mutation
Correct answer
Cigarette smoke contains numerous chemical carcinogens
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