Which is an important river valley in the sahel? a. tigris b. niger c. euphrates d. mediterranean (its b. on edge)

The diagram shows the positions of the sun, moon and earth during spring tides, when the high tides are at their highest and low tides at their lowest. what is it about these positions that causes these high and low tides?

The earth's internal process which drives seafloor spreading is

Which of the following statements is most likely a characteristic of an authoritarian government in africa