Math, asked by s2094tamanna975, 5 months ago

Which among the following events occurred first? *

5 points

A. Jonas E. Salk developed first polio vaccine

B. Telecast of talking pictures on television by BBC

C. Alexander Fleming discovered penicillin

D. John Logy Baird demonstrated first television

please answer fast

Answers

Answered by vivekskadakal

0

Answer:

C happened first..then came A

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