Students should be assigned a computer to use throughout the school year. Among many reasons, studies show that students who attend schools that have a 1:1 computer policy do better academically. What's the author's purpose?

The author is trying to convince schools to give students computers

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 !