This quiz works best with JavaScript enabled.
Select an option to see the correct answer instantly.
Correct Answer: B) Sanitary landfills, open dumps.
Correct Answer: C) Carcinogen.
Correct Answer: B) Volcanic eruptions.
Correct Answer: C) Improved testing/screening in developing countries.
Correct Answer: D) Bacteria-Severe Acute Respiratory Syndrome.
Correct Answer: C) Epidemiology:the study of the harmful effects of substances on organism.
Correct Answer: B) _____ can be worse than outdoor pollution.
Correct Answer: A) Monthly country-wide spraying of DDT.
Correct Answer: B) Pollution from a factory near your school.
Correct Answer: C) Biological.