Answer:
Physical aspects are defining as traits or features about your body these are the aspects that are visually apparent knowing nothing nothing else about the person.
Explanation:
Hope it helps you
From the context of the question, I am going to say placebo. This is me assuming, however, that both groups were told that their drinks had the protein powder
I think the answer is B. Overload principle.
The overload principle puts load on the body. Usually more than the body is used to.
Hope this helps!:)
