What are used for two people for communication with sound?
cell phones messengers energy megaphones A Greek letter flashlights gramophones electricity
A B C D E F G H
Cell phones are, bottom line, radios with a connection to a telephone company.
Cell phones are used for communication by two people by transmitting sound
What are used for two people for communication with sound? (A) cell phones (B) messengers (C) energy (D) megaphones (E) A Greek letter (F) flashlights (G) gramophones (H) electricity