What are used for communication by two people by transmitting waves?
satellites A Greek letter Morse code mitosis telephones energy electricity photosynthesis
A B C D E F G H
Sound waves are longitudinal waves.
telephones are used for communication by two people by transmitting waves
What are used for communication by two people by transmitting waves? (A) satellites (B) A Greek letter (C) Morse code (D) mitosis (E) telephones (F) energy (G) electricity (H) photosynthesis