Answer:
I guess the answer should be option c producing blood cell
It can help relieve depression etc
with out using drugs
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:all of the above.
Explanation: no one should have to ever go through bullying
Answer:
C.
Explanation:
When you have a cut on your finger, positive feedback contributes to the rapid formation of a platelet plug in an injured blood vessel. The injured area attracts platelets, and each of these platelets secretes chemicals that attract
more platelets. Thus, many platelets accumulate quickly and together these platelets plug the hole in the injured blood vessel and prevent excessive blood loss.
