OPTIONS: (I). Birth defects (II). Smoking (III). cigarettes (IV). radiation (V). Malnutrition (VI). Pesticides (VII). rays or beams (VIII). cancer pills
Q: You are presented with the quiz "Which of the following can cause cancer?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "mutations that lead to cancer usually occur in genes that control the cell cycle" and "radiation destroys cells and can cause genetic mutations". So, what's the best answer to the question?
A:
(IV).