In classical conditioning is associating events where the CS announces the US, while in operant conditioning it is associating a response with a consequence (reinforcer or punisher).

Yes it was hope that works

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 !