The answer B makes the most sense.
Answer:
B-your arms and shoulders
If there were a fire, explosion, or bomb threats in schools, for example, are required to evacuate but if it's a sniper or shooter then they do a lockdown. Because if the shooter is on the outside and they decide to evacuate then they could get shoot so most schools and places do lockdowns.
So the answer would be a sniper. I hope this helps!
I think b. and d. could be the answer
Answer: Immunologists must obtain licenses, while pharmacologists do not have to. Immunologists are required to earn a bachelor's degree before medical school, while pharmacologists are required to earn a medical degree before pharmacy school.
Explanation: