Seudónimo Seudónimo

16-04-2021
Biology

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please heip i am giving away brainiliest for the best answer

Which substance produced by the immune system is involved in both active and passive immunity?

A. antibiotic

B. antibody

C.vaccine

d. mucus

no dam links

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rvil0633 rvil0633

16-04-2021

Answer: b

Explanation:

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cltae04 cltae04

16-04-2021

Answer:

B. Antibody

Explanation:

Trust me I've learned this is middle school

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