Answer:
They have been found to cause cancer in humans meaning any release of carcinogens will increase, not decrease, CANCER RISK.
Step-by-step explanation:
Certain chemicals, including benzene, beryllium, asbestos, vinyl chloride, and arsenic are known human carcinogens, meaning “they have been found to cause cancer in humans.” A persons risk of developing cancer depends on how much, how long, how often, and when they are exposed to these chemicals.