Dexter needs to monitor the movement of a rover vehicle on mars for one year. which technologies should dexter use for tracking purposes? check all that apply. telescopes that show where the rover vehicle is located satellites that collect information about rover vehicle distance space stations that store real-time data about rover vehicle speed computer simulations that model how long it takes the rover to get to mars doppler radar that records information about weather the rover is exposed to

Sally turns on her cellular telephone to speak to her friend who is located thousands of miles away. which of the following best describes how such a telephone is able to transmit and receive information? a. the cellular telephone transmits, receives, and encodes information using only sound waves. b. the cellular telephone transmits, receives, and encodes information using only electromagnetic waves. c. the cellular telephone transmits information by electromagnetic waves to a receiver which then encodes them and produces sound. d. the cellular telephone transmits information by sound waves to a receiver which then encodes them and produces electromagnetic waves.