History
History, 06.12.2021 19:00, aylineorozco836

In the 1950s, the polio virus paralyzed many children for life. Today, polio has been reduced by 99 percent. Which of the following has played the greatest
role in reducing polio infections worldwide?
A. Agriculture
B. Cooperation
C. Education
D. Consumption

answer
Answers: 2

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In the 1950s, the polio virus paralyzed many children for life. Today, polio has been reduced by 9...

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