Which exercise plan meets the recommended cardiorespiratory exercise guidelines for a teenager? dancing for 60 minutes each day
lifting weights for 15 minutes each day
doing yoga for 60 minutes three days each week
walking 15 minutes to and from school each day

Need 5. reflection what factors did you use to determine the validity of your sources? (what was most important and guided your decision to determine validity? ) what factors did you use to determine the reliability of your sources? what was the most important and guided your decision to determine reliability? what form of media resources (internet, publications, music, advertisements, video, etc.) do you think were the most valid and reliable for your question? support your answer. what was your best source? support your answer.