This quiz works best with JavaScript enabled.
Select an option to see the correct answer instantly.
Correct Answer: D) Risk assessment.
Correct Answer: D) Nitrate.
Correct Answer: A) Epidemiology.
Correct Answer: D) Weather.
Correct Answer: D) Carcinogen.
Correct Answer: A) 1st.
Correct Answer: A) The toxic effect of a substance has nothing to do with the body size.
Correct Answer: D) Vaccination.
Correct Answer: C) Water vapor.
Correct Answer: C) Cigarette smoke.
Correct Answer: A) They are chemical hazardsthat can be found indoors.
Correct Answer: D) All of the above.
Correct Answer: A) Avalanche.
Correct Answer: A) The percentage of resistant bacteria has decreased.
Correct Answer: B) Radon.
Correct Answer: C) Tsunami.
Correct Answer: D) Physical Hazard.
Correct Answer: D) All the above.
Correct Answer: A) Around the world.
Correct Answer: D) Nervous.
Correct Answer: A) An area of land where all precipitation drains into a river and its tributaries.
Correct Answer: A) Salmonella.
Correct Answer: C) Infants.
Correct Answer: D) I and II.
Correct Answer: A) Coal-burning power plants.