Telephones are used for communication by two people by transmitting sound.
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?
Options:
[A] cell phones
[B] messengers
[C] energy
[D] megaphones
[E] A Greek letter
[F] flashlights
[G] gramophones
[H] electricity