Biology, asked by rinogeorgeal7461, 1 year ago

Polio immunizing vaccine was developed by [BHU 1979]
A) E. Jenner
B) Dr. Salk
C) St. Hale
D) Landsteiner

Answers

Answered by Vaihav1111

0

b option Dr Salk is answer

Answered by Anonymous

0

The answer is b) The answer is correct mark in brain list please

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