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23 Cards in this Set

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abiotic
pertaining to factors or things that are separate and independent from living things ; non living.
Abyssal Zone
This is the deepest region of the ocean. This zone is marked by extremely low temps, and very low levels of dissolved oxygen, but very high levels of nutrients.
Acid
any compound that releases hydrogen ions when dissolved in water. Also in water that contains a surplus of hydrogen ions.
Active Volcano
A volcano that is currently erupting or has erupted within recorded history.
Aggregate
Crowded or massed into a denser cluster.
A layer
A soil horizon; the layer below the O layer; formed of weathered rock with some organic material; topsoil.
Alkaline
A basic substance; a substance that absorbs ions ans release hydroxyl ions.
Aquifier
An underground layer or porous rock, sand, etc. that allows movement of water between layers of non-porous rock or clay.
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. Surrounding the earth and held in place by earth's gravitational field.
Barrier Island
A long, 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.
Bathyal Zone
The steep descent of the seabed from the continental shelf to the abyssal zone.
Benthic Zone
the deepest layer on a body of water. Low temps and oxygen levels.
Biological Weathering
Any weathering that's caused by the activities of living organisms.
Biotic
Living or derived from living things.
B Layer
A soil horizon; B receives the minerals of organic materials that are leached out of the E horizon.
Chemical Weathering
The result of chemical interaction with the bedrock that is typical of the action of both water and atmospheric gases.
C Layer
a soil horizon, C is made up of larger pieces of rock that have not undergone much weathering.
Clay
Soil made up of particles that are less than 0.002 mm in diameter.
Conduction
The transmission or conveying of something through a medium or passage, especially the transmission of electric charge or heat through a conduction medium without perceptible motion of the medium itself.
Convection
The vertical movement of air due to atmospheric heating and cooling.
Convection currents
Ocean currents caused by the vertical movement of air due to atmospheric heating and cooling.