EATING 8% WATCHING TV HOMEWORK 13% 8% SOCIALIZING 13% SLEEPING33% SCHOOL 25% Approximately how many hours a day are spent sleeping? Round the answer to the nearest whole hour. You must show all your work to receive any credit.

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.