Answer: b. expressing more than one feeling.
Explanation:
When a person reveals feeling there are chances that more than one feeling get expressed as a person can have both positive and negative believes for something thus a person may show criticism and appreciation for the same thing thus disappointments and happiness may get revealed for the same thing simultaneously.
Uhm to be honest..
All types of exercise ask for oxygen to produce energy... so this is a bit confusing but it would be easier with answer choices:/
anyways have a good one:)
Im not sure, but im guessing a, c, and b but this is probably wrong