Why do many south americans move from rural to urban areas? irrigation mechanized agriculture plantation farming subsistence agriculture

Atsunami usually is the result of a. a nearby underwater earthquake. b. the winter monsoons. c. seismic activity in the eastern pacific ocean. d. hurricane-force winds.

Witch layer of the atmosphere has the most air pressure

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