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The area from which water is drained, or the region that contributes water to a river system.
The triangular shaped deposit of soil particles that form where streams enter larger bodies of water.
The gradual break down of rock into smaller pieces by natural processes such as precipitation, plant growth, and temperature change.
A process that occurs when sand, stones, and pebbles move and scrape across Earth's surface acting like sandpaper to pit and polish the surface.
A process that changes the composition of the rock. The new minerals have properties different from those of the original rock.
What affects movement of sediment along the shore?
Currents, size of particles, and pattern of waves.
Why do we have N.A. beaches?
Rivers deposit sediment into oceans and the waves carry it to our coast.
The difference between silicate and carbonate sand.
Silicate sand is made from weathered rock. Carbonate sand is made from decomposed animals. Calcium gives carbonate sand its color.
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