1. Do tests involve active or passive immunity? Explain. 2.In both cases, what happened to the person’s antibody level after the vaccine was first injected?
3.Which person had most likely already been exposed to the pathogen? Explain.
4.Which version of the vaccine seemed to be more effective? Explain.

odds are decent that your handwriting right now looks a little bit different than it did five years ago, and will look different again in five more. when i look back through my notebooks from middle school to now, i see a long, slow progression from meticulous and teeny letters to bigger, sloppier ones, plus a few side detours: sometime in high school, for example, i decided those loopy cursive lowercase f’s were just the coolest, adopting them as the lone rep for cursive in my otherwise all-print handwriting.

explanation:

pie chart because it is in percents ( % )

i think it's letter a.