Which accurately describes the relationship between cancer risk and exposure to mutagens?

Question

Cancer risk decreases when a person is exposed to mutagens because the risk of DNA mutation decreases as well.
Cancer risk increases when a person is exposed to mutagens because the risk of DNA mutations increases as well.
Cancer risk increases when a person is exposed to mutagens because the risk of DNA mutations decreases considerably.
Cancer risk decreases when a person is exposed to mutagens because the risk of DNA mutations increases considerably.

Answer 1

Cancer risk increases when a person is exposed to mutagens because the risk of DNA mutations increases as well.