geography ch.4
Terms
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- aqueducts
- artificial channels for transporting water
- acid rain
- water vapor containing chemicals from air pollution
- magma
- liquid rock within earth
- water table
- the level below ground at which all the spaces inside rock are filled w/ water
- tributary
- a stream of river that flows into a larger stream or river
- trench
- a deep valley marking a plate collision
- water
- the most important force of erosian
- humus
- broken down plant and animal material
- glaciers
- thick masses of ice that erode and move sediment
- soil salinization
- salt buildup in the soil
- desalinization
- the process of removing salt from ocean water
- leaching
- the downward movement of minerals and humus in soil
- mantle
- where most of earth's mass is located
- core
- earth's center
- contour plowing
- plowing across a hill rather than up and down a hill
- estuary
- this forms where a river meets an inlet, or small arm of the sea
- watershed
- an area drained by a river and its tributaries
- fold
- when 2 plates on the ocean floor collide
- erosion
- the movement of surface material from one place to another
- head water
- the 1st and smallest streams created from precipitation runoff
- fossil water
- ground water that isnt being used