Final answer:
Occupational exposure makes workers particularly susceptible to certain risks in the context of environmental hazards.
Step-by-step explanation:
The factor that makes workers particularly susceptible to certain risks in the context of environmental hazards is occupational exposure. Occupational exposure refers to the contact or interaction with hazardous substances or conditions in the workplace. Workers who are exposed to chemicals, pollutants, or other harmful agents during their job are at a higher risk of health problems compared to the general population.