The answer is D. The presence of oncogenes
Oncogenes is a gene that has potential to cause Cancer. Once it appear on tumor cells, Oncogenes often mutated at a very high level. When the cells critical function altered, they usually undergo a rapid cell death. But once oncogenes activated, those malfunction cells will not undergo rapid cell death, filling our body with malfunctioning cells
You should be able to talk during moderate exercise, but won't be able to sing, because it would disrupt breathing.
Kenneth has good blodd but Justin need to exercise a little bit
The internet plays a role in facilitating potential cases of minor sex trafficking because they have a way to spy on you
