3. (3 points) label each example as either (pi) passive or (ai) active immunity:
a. bill had chicken pox when he was five. he doesn’t catch it again, even when his nephew gets sick with the virus
b. billy jr gets vaccinated with a live attenuated form of the chicken pox virus. he doesn’t get chicken pox after playing with his infected cousin.
c. bill’s 3 month old daughter is breast feeding. she does not get chicken pox after playing with her infected cousin.

Models are non-visual ways of coummincating how someone thinks about something in the natural world

What best describes the structure of the declaration of independence?

Graded assignment lab report answer the questions below. which combinations of substances resulted in a chemical change? for each metal that participated in a chemical change, write the type of metal it is, based on your examination of the periodic table. were there any metallic compounds that did not react with either the acid or the base? write the type of metal, based on your examination of the periodic table. make a general statement about the reactivity of the metals in this experiment.