Don't put pathogenic contaminants in food keep food natural
I would put d. because we can affect some but some are also genetic
I think it is chromosomal abnormalities
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
The Kidneys removes excess water, salts, uric acids, and chemicals from the blood.<span />