Weathering

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Oxidation is chemicals in rocks combining with oxygen.

Animals cannot affect physical weathering.

Physical weathering does not change the chemical composition of rock.

Dissolved rock material in ground water is an example of chemical weathering.

Abrasion can be cause by wind, water, and gravity.

Weathering is breaking down rocks.

Exfoliation is a type of chemical weathering.

Oxidation never changes the color of rock.