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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