For the places that are at high risk of earthquakes or tsunamis, how might builders minimize the risk for the people who live there?

How can you tell the difference between rough er from smooth er?

According the inverse square law, doubling the distance from the source of the sound, a speaker, for example, will drop the sound 6 db each time. if you were standing in the back of an auditorium, 32 feet away from a speaker not using any amplification, would you be able to hear a speaker clearly? why or why not?

The pronunciation aid that determines the stress placed upon a syllable is the