★ Infectious Diseases & the WHO Quiz
What was the biggest source of contamination of fresh drinking water in early civilizations?
A. Animals living close to people
B. Lack of a water source (desert conditions)
C. Wells that are not dug deep enough
D. Aqueducts were not built high enough
Preview next quiz:
During the Columbian Exchange many Indigenous People died. What was this period called?
A. Black Death
B. Covid Pandemic
C. The Great Dying
D. Spanish Flu
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