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.

People are able to hear footsteps because the sound made by a foot hitting the floor travels through the air to reach their ears. Is transmission

When light from the sun hits the sidewalk, the sidewalk becomes warmer. Is called absorption

Explanation:

Make sure you spell it right or it will not count it.

a and b because with the other three, they simplify to something else.