What did Dr.Snow do to show very effectively that his hypothesis was correct and thereby demonstrated the cause-effect relationship he advocated?
A)drank from the Broad Street well
B)removed the pump handle from the Broad Street well
C)isolated the bacteria from the Broad Street well
D)performed an autopsy on one of the victims before the city council
E)all of the above

Question

Quizplus · Accepted Answer

Dr. John Snow removed the pump handle from the Broad Street well, which effectively stopped the cholera outbreak in the area, demonstrating the link between the contaminated water source and the spread of the disease.

What Did Dr