Today, cholera is found in countries
a. located along the ring of fire
b. with low economic and social development
c. with clean water supplies
d. that had outbreaks before the 19th century

The answer is B. located in countries with low economic and social development.

Explanation: cholera means: An infectious and often fatal bacterial disease of the small intestine, typically contracted from infected water supplies and causing severe vomiting and diarrhea. So in countries they don't have education, technology, and doctors, so that is why the answer is B, because they don't have clean food, water, or medicine to keep them from getting cholera.

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i agree d is most definitely correct!