At one time a singular factor, such as culture or genetics. may have been credited with a child's mental growth. more common today, especially among current developmental scientists, is an approach that credits a range of factors from neuroscience to social science. this approach can best be described as

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 !