Which of the following statements is true of both ancient Egypt and ancient Sumer?
ABarley and wheat were both civilizations' main crops.
BBoth civilizations were protected by the surrounding desert.
CNeither civilization was protected by geographic barriers.
DNeither civilization had predictable annual river flooding.
ABarley and wheat were both civilizations' main crops.
BBoth civilizations were protected by the surrounding desert.
CNeither civilization was protected by geographic barriers.
DNeither civilization had predictable annual river flooding.