A forecast is defined as a(n) a. quantitative method used when historical data on the variable of interest are either unavailable or not applicable. b. set of observations on a variable measured at successive points in time. c. outcome of a random experiment. d. prediction of future values of a time series.

Fiscal policy because it refers to the use of government spending and tax policies to influence macroeconomic conditions, including aggregate demand, employment, inflation, and economic growth.

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 !