A way of responding to disrespectful behaviours is to take a deep breath and walk away. By doing this, YOU stay in self-control. It helps you practice self-control because it stops you from fighting, and keeps you in control, it can also develop good habits for bad situations.
Answer:
I would imagine it's A or D, my best guess is online netiquette.
I think 1 but i'm not entirely sure sorry
It should be A because this system relies on antigens which are specific substance found in foreign microbes.
