PLEASE HELP ASAP WILL GIVE BRAINLIEST Select the correct answer.
Becky used to be able to touch her toes while standing, but now she cannot reach them. What aspect of her physical fitness has changed over time?

A. her endurance
B. her enthusiasm
C. her range of motion
D. her muscular strength

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.