CBO makes its estimates of potential output on the basis of data on capital, labor, productivity, and actual GDP; statistical and other modeling methods for assessing cyclical influences and long-term trends in the economy; and analyses of the economic effects of federal tax and spending policies.
The hydrologic cycle is driven primarily by I solar energy II mechanical energy from ECOLOGY 1 at Indiana State University
The hydrological cycle is a closed circulation of the water in its three phases inside the climatic system. It is a closed sequence of natural phenomena, in which the globe provides the atmosphere with water vapour, that afterwards returns in liquid or solid phases to the globe. The natural phenomena that make up the hydrological cycle are: a) the transfer of water, in its gaseous phase, from the globe to the atmosphere, by the evaporation of