15-10-2018
Biology

contestada

--- are weakened virues or bacteria that prompt the development of antibodies but not the disease

antibotics

non-specific defenses

vaccines

all of the above

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kristycoleman kristycoleman

15-10-2018

vaccines are weakened viruses or bacteria that prompt the body to develop antibodies to foght against disease

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Аноним Аноним

15-10-2018

The correct answer is Vaccines, I did the test I think last year. #Brainiac

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