What happened to the sound as vibration of an object increase in strength​

Type the letter that represents the correct location for each particle type below.

The fact that the total amount of energy in a system remains constant is a(n)

What effect would average population growth have on land usage? a. urban use of land would rise to more than 30 percent of available land. b. industrial use of land would rise to more than 30 percent of available land. c. the percentage of available land used as cropland would stay the same. d. cropland would fall to about 10 percent of available land.