Which accurately describes the relationship between cancer risk and exposure to mutagens?
a. Cancer risk decreases when a person is exposed to mutagens because the risk of DNA mutation decreases as well.
b. Cancer risk increases when a person is exposed to mutagens because the risk of DNA mutations increases as well.
c. Cancer risk increases when a person is exposed to mutagens because the risk of DNA mutations decreases considerably.
d. Cancer risk decreases when a person is exposed to mutagens because the risk of DNA mutations increases considerably.