When the immune system attacks itself.
The answer is A. the space shuttle orbiting the Earth.
Obvious hairs or other contaminations that are obvious
The 2nd and 3rd one are both correct. I don’t know if it’s multiple choice or not, but the nervous system does both of those answers
Nicotine can be found in cigarettes and comes from tabacco
DO NOT SMOKE PEOPLE
I REPEAT DO NOT SMOKE
