Taking or pretending to take the role of others.

This is highly correct because infact i just had a essay done yesterday so yeah that's pretty much what you need to do

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 !

Clean air provides nitrogen