AP BIOLOGY

Detailed explanation-1: -Any substance that causes cancer is known as a carcinogen. But simply because a substance has been designated as a carcinogen does not mean that the substance will necessarily cause cancer.

Detailed explanation-2: -A carcinogen is a substance, organism or agent capable of causing cancer. Carcinogens may occur naturally in the environment (such as ultraviolet rays in sunlight and certain viruses) or may be generated by humans (such as automobile exhaust fumes and cigarette smoke).

Detailed explanation-3: -Carcinogens are substances or exposures that can cause cancer. Examples include home and workplace chemicals, environmental or medical radiation, smoke, and even some viruses and medications. While it’s impossible to eliminate carcinogen exposure, you can and should take steps to reduce what you come in contact with.