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core earths center, where pressures and temps are very high
mantle section of earths interior that lies above the outer core and has the most mass
magma liquid rock within earth
plate tectonics the theory that Earth's crust is divided into rigid plates that slowly move across the upper mantle
continental drift process by which earth's plates slowly move across the upper mantle
rift valleys places on earths surface where the crust stretches until it breaks
abyssal plains areas of the ocean floor where rocks graudally sink because they have no supporting heat below them, the worlds flattest and smoothest regions
continental shelves where continental surfaces extend under the shallow oceans water around the continent
faults plates where rock masses have been broken apart and are moving away from each other
weathering process by which rocks break and decay over time
sediment small particles of weathered rock
erosion movement of surface material from one location to another by wind, water, and ice
glaciers thick masses of ice, including great ice sheets and bodies of ice that flow down mountains like slow rivers
plateau an elevated flat area that rises sharply above nearby land on at least one side
alluvial fan fan shaped deposit of mud and gravel often found along the bases of mountains
delta accumulation of sediment at the mouth of a river
desalinization process of removing salt from ocean water
hydrologic cycle movement of water through the hydrosphere
trubutary any smaller stream or river that flows into another stream or river
drainage basin a region drained by its river and its tributaries
estauries semi enclosed bodies of water, sea water, and fresh water where a river meets an inlet of the sea
wetlands landscapes that are covered with water for at least one part of the year
humus broken down plant and animal matter
soil exhaustion condition where soil has lost nutrients and becomes nearly useless for farming
reforestation replanting of a forest
acid rain polluted rain that can damage trees and kill fish in lakes
fossil fuel energy resources formed from the remains of ancient plants and animals including coal, natural gas and pertroleum
petrochemical certain products made from oil
hydrologic power electricity produced by moving water
geothermal energy heat of earths interior
Created by: brittney143