What do sound waves need to have to travel from one place to another?

Is even more difficult to analyze because of the lack of cues in computer mediated communication.

Why have the aztec ruins in mexico city not been dug up?

Sariah enters a room with several chirping crickets in it. upon first entering the room, sariah can hear the chirping; however, as she begins to talk to her friends, she is no longer aware of the chirping even though it is still there. the fact that sariah no longer perceives the chirping sound demonstrates sensory