-Medium- an agency or means of doing something.
-Technique-a skillful or efficient way of doing or achieving something.
-Proportion- a part, share, or number considered in comparative relation to a whole.
Answer:
B
Explanation:
Penny develops severe headaches twice a week. Because Penny is abusing steroids which means she taking way to much and since she's doing that; she having frequent headaches.
the answer is b epoc and oxygen debt is the same thing different name