The transmission range of a(n) _________ is more limited than that of mobile or base station radios.

The three stages of labor are:

A) baby leaves the birth canal and enters the vaginal opening, the baby is born, and delivery of the afterbirth. B) contractions begin, the baby is born, and delivery of the afterbirth. C) contractions cease as the baby enters the birth canal, the baby is born, and delivery of the afterbirth. D) contractions begin as the baby leaves the birth canal, the baby is born, and delivery of the afterbirth.

Plastics used for construction have strength close to that of:

A. steel. B. wood. C. copper. D. aluminum.