Biology, asked by venu5261, 3 months ago

Vaccines are made up of-
4.
(a) Chemicals
(b) Weak microorganisms
(c) Viruses
(d) Drugs

Answers

Answered by Anonymous
0

the answer is option b

Please mark it as a brainliest answer

Answered by awanishingade
0

Answer:

a vaccine are made up of chemical

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