constructive/destructive forces
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| delta | an area of new land formed at the mouth of a river
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| erosion | process of moving sediment by wind, water, or ice
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| deposition | process by which sediment drops out of water
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| weathering | process of wearing away rocks by natural means
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| jetty | wall-like structure that sticks out into the ocean
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| dam | a structure that stops the flow of a river, forming a lake
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| levee | a wall of earth or concrete along the banks of a waterway
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| moraine | a hill-shaped landform created by a glacier
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| Canyons are shaped by ____________________. | water
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| What is WED? | weathering, erosion, deposition
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| ____________ takes the longest to occur. | Weathering
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| When sediment is deposited at the mouth of a river, a _______ is formed. | delta
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| Which landform can be created when sand is blown? | Sand dunes
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| How do dams help control flooding? | They form a lake, control how much water is released in rivers, and hold back water that rushes downstream.
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| How can soil be protected from erosion? | By planting trees.
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| What causes stones to become smooth? | weathering
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| How can erosion be prevented on beaches? | Building a jetty and protecting sand dunes.
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| How can plants be constructive? | They prevent erosion.
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| How can plants be destructive? | They can weather rocks.
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