Which option best explains if steel is an elastic or inelastic material? * Steel is inelastic because it has the ability to change shape and then return to its original state.
Steel is inelastic because it doesn't have the ability to change shape and then return to its original state.
Steel is elastic because it has to ability the change shape and then return to its original state.
Steel is elastic because it doesn't have the ability to change shape and then return to its original state.

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.