Biology, 14.07.2019 18:30 nails4life324
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. education b. cooperation c. agriculture d. consumption
Answers: 1
Biology, 22.06.2019 16:30
Which is an example of a vestigial structure? a: paw of a lionb: wing of a birdc: appendix of a humand: tail of a cat(i think it's a but i'm not sure)
Answers: 1
Biology, 22.06.2019 16:30
Explain how mendel kept his pea plant from self pollination
Answers: 3
In the 1950s the polio virus paralyzed many children for life. today polio has been reduced by 99 pe...
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