A1,000 g ball and a 100 g ball are dropped from a tower. both balls are the same size and there is no air resistance. which one hits the ground first?

the 1,000 g mass hits the ground first.
they both hit the ground at the same time.
the 100 g mass hits the ground first.

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.