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science/chpt9 - key

chapter 9 - key concepts

QuestionAnswer
Weathering, erosionand deposition act together: in a cycle that wears down and builds up Earth's surface.
Gravity causes mass movements: including landslides, mudlows, slump and creep.
Moving water is the major agent: of the erosion that has shaped the Earth's land surface.
Through erosion, a river creates: valleys, water-falls, flood plains, meanders and oxbow lakes
Deposition creates: alluvial fans and deltas and also adds soil to a river's flood plain.
Groundwater can cause erosion through: a process of chemical weathering.
As gravity pulls water down a slope: the water's potential energy changes to kinetic energy.
Most sediment washes of falls into a river: as a result of mass movement and runoff.
A river's slope, volume of flow and the shape of its streambed: all affect how fast a river flows and how much sediment it can erode.
Created by: dellisposthaste
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