Swimming alone           a. is acceptable in a pool but never in a lake or an ocean.   b. increases the benefits of swimming for cardiorespiratory endurance.   c. is ok as long as you've been swimming for at least five years.   d. is never safe, regardless of ability.

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.