Answer:
complement is a system of plasma protiens that can be activated directly by pathogens
Answer:
Oceanic crust and continental crust
They are an invasive species, they kill off our beautiful salmon and other fish that we need to keep a good flow of fish exports and money flowing into our state. It's important to keep that balance so that both the pray and they predator in the lakes don't all die out.
A characteristic classified as a special impact
