Answer:
C. they have already achieved high levels of cardiorespiratory fitness
Explanation:
Increasing cardiorespiratory fitness levels is difficult for experienced athletes because they have already achieved high levels of cardiorespiratory fitness
Answer:
Both Mars and Saturn have rings.
Answer:C
Explanation: the word photo means light and synthesis means the process off soooooo... the process of making light energy
resupplying the ground water