What aerophone causes an instrument to vibrate

Based on what you know about the location of the earth in relation to the sun, why is this called the goldilocks zone in other galaxies?

What border separates sonora and chihuahua national border state border physical boundary natural boundary

Islam and the arabic language spread throughout north africa in the 600s primarily through a. african traders b. american colonists c. european explorers d. middle eastern armies select the best answer from the choices provided