Which of the following statements is true?

A. Using a microstrainer filter is the best way to remove viruses from impure water.
B. People who travel to Central and South America have a high risk of developing traveler's diarrhea.
C. The water in swimming pools is safe to drink.
D. Boiling water for several minutes is not an effective means of purification. 


Answer: B

Nutritional Science

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