It is C I just took the test
First one is A, second one is B
Read the scenarios and decide which type of interaction (absorption or transmission) took place between the wave and the object. People are able to hear footsteps because the sound made by a foot hitting the floor travels through the air to reach their ears. When light from the sun hits the sidewalk, the sidewalk becomes warmer.
Answer:
People are able to hear footsteps because the sound made by a foot hitting the floor travels through the air to reach their ears. This is called TRANSMISSION.
When light from the sun hits the sidewalk, the sidewalk becomes warmer. This is called Absorption.
