Answer:
They can't hear an echo in small room because in it the sound can't be reflected back. For an echo of a sound to be heard,the minimum distance between the source of sound and the walls of the room should be 17.2 m.
hopw it helps
Answer:
yes
Explanation:
because when you slow down, the resistance slows with the speed.
Answer:
True
Explanation:
East, up, and left all define as a direction.
