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Chemistry › View

an organized structure of knowledge is the definition of :

A. facts and concepts

B. chemistry

C. physics

D. science

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Microbiology › View

An example of natural active immunity would be

A. chickenpox infection, followed by lifelong immunity.

B. giving a person immune serum globulins to chickenpox virus after exposure to the disease.

C. a fetus acquiring maternal IgG to the chickenpox virus across the placenta.

D. chickenpox vaccine triggering extended immunity to chickenpox.

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