Sound wave is a pressure caused by the vibration of something in a medium that transfers anergy, like air.
Answer:
The 12 survivors are people who are married (6 couples), the word "single" is the keyword denoting those only people who are single had died.
All of the states of the USA are north of the equator.
So are all the states of Mexico.
Houses will be generally built first
Why would a school be built when the student doesn’t have a place to stay and do any homework or have any rest
