What does it mean when ambulance lights are off?

Effective communication consists of a. verbal and nonverbal communication and speaking clearly and loudly b. verbal communication and stereotyping c. verbal and nonverbal communication and active listening skills d. nonverbal communication and minimal interruptions   select the best answer from the choices provided.

What is the only part of your body called that should touch the ball when setting in volleyball?

This is one popular brand of exercise machine