Fact 1: Oncogenes promote the division of cells with damaged DNA. Fact 2: Again, oncogenes turn on cell growth. Given the two facts above, what promotes the division of cells with damaged DNA?

Available choices:
1). harmful substances
2). Electrical energy
3). turning on cell growth
4). Chemical energy
5). Something that makes plants green
6). electromagnetic energy
7). oxidation reaction
8). It helps them survive
The answer is:
3).