I would say B
Hope this helps:)
Answer:
A. They destroy antigens because they are a foreign object.
It's late but for anyone else who needs it, it's:
Create a log of what one eats each day.
Critique one's diet for overall balance of key nutrients.
Identify personal barriers that prevent an individual from making poor food choices.
B, sanitizing.
When you use hand sanitizer or hand soap, you are using chemicals to kill off the bacteria. Washing/rinsing your hands only moves the bacteria, and doesn't kill them. Air drying your hands does not in anyway kill germs. <span />
