Answer:
portuagese :a primeira resposta eu estou supondo, mas não há nenhuma imagem, então eu realmente não sei.
English : the first answer i am guessing but there is no picture so i don't really know.
Explanation:
Is this a multiple choice question?
The correct answer is letter C, Determining your VO2 Max is the best measure of cardiorespiratory fitness. VO2Max is the maximum volume of oxygen that a person can intake during bouts of exercise. There is actually a specific machine that measures the volume of oxygen intake a person can do during an activity. It is usually done in labs and in a controlled set-up.