In which regions did cities first begin to emerge over 5000 years ago?
AThe rainforests of South America
BThe desert regions of Asia and Africa
CThe plains of North America
DThe islands of the Pacific Ocean
AThe rainforests of South America
BThe desert regions of Asia and Africa
CThe plains of North America
DThe islands of the Pacific Ocean
Related Questions:
Which of the following statements about settled agriculture is correct?
What defines the photic zone in an aquatic ecosystem?