Answer:
complement is a system of plasma protiens that can be activated directly by pathogens
Answer:
How many patients had allergies or ear infections, but not both?
24
27
36
40 answer
Explanation:
Although the diagram is not provided, I have encountered it before. The region labelled "B" is a ring with two small particles on it. This ring is the electron cloud and is where the electrons move. Therefore, it is negatively charged.
Eye strain - hope this helped
