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avanturin [10]
3 years ago
5

5.

Biology
1 answer:
kipiarov [429]3 years ago
5 0

Answer:

C. Vaccination

Explanation:

vaccination is the administration of a vaccine to help the immune system develop protection from a disease. Vaccines contain a microorganism or virus in a weakened, live or killed state, or proteins or toxins from the organism.

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