The first PCS technology used a form of time division multiplexing called . a. Time Division Multiple Access (TDMA) b. Global System for Mobile (GSM) Communications c. Code Division Multiple Access (CDMA) d. Digital-Advanced Mobile Phone Service (D-AMPS)

One form of energy can be another type of energy. a. created to form b. transformed into c. destroyed and then created to form

Although longitudinal waves can travel through all media types what is the disadvantage of this type of wave transmission? a) he efficiency of he wave transmission is greatly diminished as the media becomes less dense b) the oscillation of one set of particles has a huge impact on neighboring particles c) particles become too close together as they bump into each other making it more likely to hit other particles down the line

Sodium chloride, nacl, is formed when a sodium atom transfers its electron to a chlorine atom. the difference in charge between the two atoms creates a(n) attraction that bonds them together.