Which of the following is a voluntary standard?

a) guidelines for out-of-home childcare
b) state licensing regulations
c) nutrition guidelines
d) state childcare regulations

Select the correct answer. which is the safest and most effective way to get a deeper stretch? a. massage the muscles being stretched b. inhale and push the stretch until it hurts c. lean into the stretch as you exhale d. place ice on your muscles before stretching