Which describes how africa was divided into countries?
(points : 1)
boundaries were made according to cultural similarities.
european powers allowed africans to decide their own boundaries.
ethnic groups were split into different countries.
nomadic peoples were given control of their lands.

The earth's internal process which drives seafloor spreading is

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? a. it's a region that exhibits a weak gravitational pull, thus maintaining a safe distance from the sun. b. it's an area that doesn't experience any major weather events that could cause mass extinctions. c. it's an area that's an optimal distance from the sun for potentially supporting life. d. it's a region that's unaffected by asteroid or meteor impacts.

Where does the availability of water pose the greatest problem