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Solid rock is worn down through weathering.
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Miniscule changes over enormous periods of time will lead to remarkable differences in Earth and its environment.
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The Finger Lakes were carved by ice coming off a large glacier in the north. The glaciers flowed down existing stream valleys.
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How soil is formed.
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Hipervinculo Ciencias de la Tierra y Medioambiente
How human activities cause soil erosion.
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Presents the three major rock types and the rock cycle.
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Describes various types of mechanical weathering.
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Hipervinculo Ciencias de la Tierra y Medioambiente
Beach sand is made of minerals that are resistant to erosion, like quartz. Minerals that are found in rock nearby or that comes down in rivers are the source materials.
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Hipervinculo Ciencias de la Tierra y Medioambiente
Describes what causes landslides to occur and how to prevent them.
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Variables that affect the rate of weathering.
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