3. What Tribal religious practice remains in most of Africa although these two religions are also practiced? Hindu
Islam
Buddha Judaism Christianity

It's most likely choice a, it makes the most sense in my opinion.

Ithink it's a, but i might be wrong

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 !