Science is really hard

Which of the following statements best explains why there tends to be a greater number of large cities in southern africa than the east africa

Find a formal factor that connects egypt to africa to europe and to southwest asia

One of the main reasons societies settled along rivers in the neolithic era was because a) the village elders demanded it. b) the land there was more valuable. c) it was more safe and secure there. d) it provided irrigation for farming.