A carcinogen is a
a. type of microorganism associated with human sewage.
b. cancer-causing chemical, radiation, or virus.
c. vehicle that requires no gasoline to operate.
d. phytochemical (a protective plant compound that promotes health).
e. computer chip.

Respuesta :

The answer is B because a carcinogen is any substance, radionuclide, or radiation that promotes carcinogenesis, the formation of cancer.