Two graduated cylinders, one filled with water to 20 millimeters and one containing a rock and water filled to 32 millimeters. Use the image to determine the volume of the rock.

Initial volume:
mL

Final volume:
mL

Volume of rock:
cm3

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.