Styrofoam is poisonous when burned and it takes thousands of years to decompose card bord is biodegradable and probably won't give you cancer if u accidently eat some
blood vessels dilate, swelling occurs, phagocytes ingest foreign bacteria or viruses.
Laura has more muscular strength. Susan has more muscular endurance.
Beginning signs would be memory loss, inability to do challenges, difficulty completing tasks, confusion with time, misplacing things, poor judgment, etc
Because her friends are altering and affecting her decision
