Pain, redness, and also swelling at the site of the injection hope this helps
B. Lactic acid build up creates pains and aches on the muscles
Assertive people would have all of these attributed except having respect for others - C.
Although even this answer perhaps couldn't be considered true because assertive people can have a positive attitude and respect towards other people it's just that in their case they respect themselves more and have a more positive view of themselves as well.
I believe that this would be deforestation because the trees' roots keep the soil in place whereas if they were gone the soil would be loose.