9. Karen jogs 3-5 times per week at 65%-85% of her maximum heart rate tor 5 minutes. Karen wants to improve her cardiorespiratory endurance, she will need to increase
A. Intensity
B. Time
C. Frequency
D. Specificity

Calvin is a 12-year-old boy. due to pressure from his friends, he has started consuming certain toxic materials that are addictive and harmful. calvin is a victim of what type of abuse? a. sexual b. substance c. physical d. emotional

Which of the following defines scoliosis? a. a posture disorder characterized by the shoulders being rounded and the back hunched b. a posture disorder in which the spine curves up the back like a snake c. a posture disorder characterized by excessive curvature or arch in the lower back d. none of the above

What are ways that tobacco use can affect familyand socity