Question

which of the following statements about tobacco products is true?
a. tobacco products contain over 4,000 different chemicals.
b. all chemicals found in tobacco products are carcinogens.
c. cigarettes are the least used tobacco product.
d. tobacco products are difficult to obtain.

Explanation:

• Option A: Tobacco products (like cigarettes) indeed contain over 4,000 different chemicals, including many harmful ones.
• Option B: Not all chemicals in tobacco are carcinogens (cancer - causing), though some are.
• Option C: Cigarettes are one of the most commonly used tobacco products, not the least.
• Option D: Tobacco products are generally easy to obtain (with legal age restrictions in many places, but still accessible). So only Option A is true.

Answer:

A. Tobacco products contain over 4,000 different chemicals.