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A pump that kills
Lumen · High school
Snow’s problem: cholera is in the water, and a map can say so. Broad Street. One handle. The picture is the argument.
Student age
10years · 5th grade
Lumen · High school
Snow’s problem: cholera is in the water, and a map can say so. Broad Street. One handle. The picture is the argument.
Student age
10years · 5th grade