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30 Cards in this Set
- Front
- Back
wearing away or grinding by friction
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abrasion
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process of disolving
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dissolution
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chemical reaction involving ions in water
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hydrolysis
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chemical reaction in which minerals are weakened by oxygen
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oxidation
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breakdown and change of rocks over time
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weathering
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_____ and ______ are the most common agents of physical weathering.
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heat,water
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____,____, and ____ are most common types of chemical weathering.
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oxidation, hydrolysis, and dissolution
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biological weathering can either be ____ or _____
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physical, chemical
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Physical weathering may happen because of temperature change. If the temperature rises, the minerals in rock may _____and cause cracks and breaks.
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expand
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carbonic acid _____
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dissolves limestone and other rocks
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How does the Sun contribute to physical weathering?
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minerals in rock heat and expand at different rates, which causes rock to break
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example of phys weathering
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abrasion
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Silicate rocks are weathered by _____ into the clay minerals.
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hydrolysis
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triangular deposition of fine, fertile soil at the mouth of a river
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delta
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placement of weathered rock and sediment by erosion
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deposition
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transport and deposition of weathered rock
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erosion
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substance which enables the transport of weathered rock and sediment
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medium
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erosion begins with ____, and ends with ____
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detachment, depostion
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Detachment and transport are ______ processes.
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destructive
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deposition is a ______ process
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constructive
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during deposition, sediment _____
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is dropped off at new locations
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wind erosion causes _____
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topsoil removal
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layer of distinct soil
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horizon
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top layer of mineral and organic material on earth's surface
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soil
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arrangements of horizons in a soil sample
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soil profile
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elevation and slope of land
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topography
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order of soil layers
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oabc
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most important climatic factors in soil formation
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temperature, moisture
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fertile soil is most likely in ___ to ___ incline
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mod, low
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essential elements in fertile soil
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ca, mg, k, na
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