AP Environmental Science Exam Review Exam | 415 Questions And Answers Already Graded A+

abiotic - related to factors or things that are separate and independent from living things; nonliving acid - any compound that releases hydrogen ions when dissolved in water. Also, a water solution that contains a surplus of hydrogen ions air mass - enormous bodies of air that move as a unit A horizon - a soil horizon; the layer below the O horizon; formed of weathered rock, with some organic material; often referred to as topsoil alkaline - a basic substance; chemically, a substance that absorbs hydrogen ions or releases hydroxyl ions; in reference to natural water, a measure of the base content of the water aquifer - an underground layer of porous rock, sand, or other material that allows the movement of water between layers of nonporous rock or lay; frequently tapped for wells arable - land that's fit to be cultivated asthenosphere - the part of the mantle that lies just below the lithosphere atmosphere - the gaseous mass or envelope surrounding a celestial body- especially the one surrounding the earth which is retained by the celestial body's gravitational field barrier island - a long, relatively narrow island running parallel to the mainland, built up by the action of waves and currents and serving to protect the coast from erosion by surf and tidal surges biological weathering - any weathering that's caused by the activities of living organismsbiotic - living or derived from living things B horizon - a soil horizon; receives the minerals and organic materials that are leached out of the A horizon chemical weathering - the result of chemical interaction with the bedrock that is typical of the action of both water and atmospheric gases