What is South Africa's biggest economic challenge? A. It has few natural resources. B. Its economy is too dependent on the service industries and not enough on mining. C. Its history of apartheid has resulted in high poverty rates among its black population. D. It has to import too much of its oil.

To solve their problems, mesopotamians used irrigation, a way of supplying water to an area of land. to irrigate their land, they dug out large storafe basins to hold water supplies these ditches brought water to the feilds. to protect their feilds from flooding, farmers built up the banks of the tigris and euphrates.hope ths !

5th to stop bare arms