According to newton's first law of motion, what does it take to move an object at rest?

question 16 options:

a change in gravity

a balanced force

an unbalanced force

a force equal to the force keeping the object at rest, but in the opposite direction

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.