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Biology, 23.08.2021 16:10 Darkknighta26

Helppp m 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. Cooperation
B. Education
C. Agriculture
D. Consumption

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Helppp m In the 1950s, the polio virus paralyzed many children for life. Today, polio has
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