According to the constitution, which of the following powers are reserved for the states? select all that apply.

powers not delegated by the constitution
powers not approved by the constitution
powers not prohibited by the constitution
powers not granted by the constitution

i am going to say it is the first one hope i helped :)

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 !