Question

Mac and Suzanne cut holes in the bottom of two cups and connect them with a string. When Mac whispers into one cup, Suzanne can hear him through the other. What is the best reason to explain why this happens?

A. Sound waves can travel great distances.
B. Sound waves from whispering have a higher frequency.
C. Sound waves travel better through solids than gases.
D. Sound waves produce an echo.

Answer 1

c

Step-by-step explanation:

Because you can feel vibrations through solids but not through gases

Answer 2

C

Step-by-step explanation:

Because you can feel vibrations through solids but not through gases