It's based on opinion, but I would put that they won't start and get an addiction at an early age so it will be more difficult for them to start later in life.
Answer:
because humans are wired to have a schedule and when things change even in a good way it causes a change in routine therefore causing stress
Explanation:
B. Subcutaneous
this means that the needle goes into the fat layer of the skin.
it does NOT go into the muscle.
hope this helps.
C because it’s true and it really is the only one that makes sense... lest face it