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 processes in the the hydrologic cycle include: The change of state in a substance from a liquid to a gas. The evaporation of water from plants through their stomata. Approximately 99% of plants intake of water is transpired through transpiration.