What Did Dr

question 22

Multiple Choice

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

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