That is a good answer, add a bit of your personal fears (don't share here) and it will be good.
Brevity is a form of short hand thus would save much time and is needed in the medical field as it needs the use of only few words and would mean short and precise. Hope this answer would be of help.
I think the answer is c. Thats what my brother does with his kids
Answer:
he is using more energy to get up the hill
Explanation:
