The impact of age flexibility is heith
A nurse performing surgery without a surgeon present. Nurse aren't allowed to do surgery.
All the other things on the list are actually what they're supposed to do.
Hope this helps! ;)
The thing that differentiates baseline activities from health-enhancing activities would be that during health-enhancing activities one usually does something which increases the frequency of heart beats much more, compared to a baseline activity.
The answer is D for this one