As discussed in lecture, researcher Janet Werker studied language acquisition. She found that babies younger than eight months could discriminate among sounds in all languages and that infants older than one year had lost this ability, which is known 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 !