Multiple choice general knowledge

Cigarette smoke contains over 4,000 chemicals.

  1. True

  2. False

Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Cigarette smoke is a complex mixture containing over 7,000 chemicals according to recent research, though older sources cited over 4,000. These include hundreds of toxic substances like tar, carbon monoxide, formaldehyde, and at least 69 known carcinogens.