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
All the water on, or beneath, the Earth's surface. Water Cycle (Hydrologic cycle) The movement and storage of water between Earth's atmosphere, hydrosphere, geosphere. The solid part of Earth, including all rocks and minerals. The smallest particle of a substance that retains the chemical and physical properties of the substance and is composed of two or more atoms.