Q: Cells with damaged dna are more likely to divide when exposed to what?
Options:
- (A) harmful substances
- (B) apoptotic genes
- (C) sulfur dioxide
- (D) a tumor suppressor
- (E) Electrical energy
- (F) heat or cold
- (G) immune system
- (H) a carcinogen
Let's think step by step below.

Show your work and conclude with the exact phrasing "Therefore, the final answer is [answer]." where [answer] is just the final number or expression that solves the problem.
user
Oncogenes promote the division of cells with damaged DNA. Carcinogenic or oncogenic effects cause cancer. Carcnogenic substances can promote division of cells with damaged DNA.
Thus, the answer is (H).