What is the meaning of the root word chir/o?

Before a cranberry can make it to your dinner plate, it must pass a bouncing test which rates its quality. if cranberries having an e ú 0.8 are to be accepted, determine the dimensions d and h for the barrier so that when a cranberry falls from rest at a it strikes the incline at b and bounces over the barrier at c.

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.

Why would one lymph node in the neck be swollen and not the other? what causes them to swell?