Answer:The average time is 9 hours
Explanation: American teenagers spend an "astounding" nine hours a day with digital technology, entertaining themselves with streaming video, listening to music and playing games, researchers reported Tuesday. And "tweens" aged 8 to 12 are spending six hours with media, the non-profit group Common Sense Media reports.
Answer:
C.
Explanation:
Push-ups don't require any weights or machines
Repetitive motion can cause injury . true
Answer:
Cardiorespiratory fitness is the ability of the cardiorespiratory system to supply nutrients and oxygen to the body during sustained physical activity without fatigue. Endurance is a factor used to measure physical fitness. Cardiorespiratory fitness is the ability of the heart and lungs to function efficiently and effectively. Endurance refers to your body's physical capability to sustain an exercise for an extended period.
Explanation: hope this helps!
Getting sleep is important because without it you could drained or you could make careless mistakes and it can also cause your body to weaken so true
