All of these do seem like possible injuries that could happen in sports the answer that makes the most sense to me is B since it seems like getting arthritis from sports injuries does not seem that common,
I think it's plastic bag. I'm taking the test right now.
The first question is observation, you can't really collect samples on developing muscles or do any of the other things listed
for the second question the answer can vary from B to C...it is important to asses before and after to see how much was actually learned...depending on what the learning experience is, you may SOMETIMES want to asses in between to insure the child or adult is actually retaining information.
Answer:
Rh Factor. The Rh factor is simply a protein that is found on the covering of the red blood cells. If your red blood cells have this protein, you are Rh positive. If your blood cells don't have this protein, you are Rh negative.
Explanation: Hope this helps if so push that thanks button!