Question

which is considered a chemical mutagen?
○ tanning beds
○ tobacco
○ x-rays
○ sunlight

Explanation:

Chemical mutagens are chemical substances that cause genetic mutations. Tanning beds, X-rays, and sunlight are physical mutagens (they use radiation). Tobacco contains various chemical compounds (like polycyclic aromatic hydrocarbons) that act as chemical mutagens.

Answer:

tobacco