题目内容

Oxidation is an important mechanism in decomposing such ferromagnesian minerals as olivine, pyroxene, and hornblende.

A. True
B. False

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Biological activity has little influence on the process of weathering

A. True
B. False

Frost wedging is most effective in the polar latitudes.

A. True
B. False

The physical breakdown and chemical alteration of rock at or near Earth's surface is called erosion.

A. True
B. False

The A horizon of a soil is also called the topsoil.

A. True
B. False

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