Information and IdeasEasy–MediumLocating what a map showed
Information and Ideas practice question
In 1854 the physician John Snow marked on a map the homes of people who had died of cholera in one London district. The deaths clustered tightly around a single public water pump on Broad Street. Snow persuaded the local officials to remove the pump's handle, and new cases in the district soon fell away.
According to the text, what did Snow's map show?
- A. That the cholera deaths were concentrated around one water pump.Correct
- B. That cholera spread through the air of the district.
- C. That the handle of the Broad Street pump was broken.
- D. That officials had been ignoring the outbreak.
Answer: A. That the cholera deaths were concentrated around one water pump.
The text says the deaths 'clustered tightly around a single public water pump'. That is what the map revealed.
Why the other answers are wrong
- B. That cholera spread through the air of the district.
- Nothing in the text concerns the air; the clue was water.
- C. That the handle of the Broad Street pump was broken.
- The handle was removed on purpose; it wasn't broken.
- D. That officials had been ignoring the outbreak.
- The officials acted when Snow asked them to; the text doesn't say they had ignored anything.
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