题目内容

A process in which curved plates of granite rock are stripped from a larger rock mass. Its exact mechanism is still uncertain but probably due to unloading. This process is probably called:

A. Frost Action
B. Exfoliation
C. Unloading
D. Thermal expansion

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Which of the following processes are not physical weathering?

A. Expansion and Contraction
B. Frost Action
C. Exfoliation
D. Hydrolysis
E. Oxidation

A set of processes that loosen and move soil and rock downhill or downwind is called:

A. Weathering
B. Erosion

The general process by which rocks are broken down at Earth’s surface is called:

A. Weathering
B. Erosion

The temperature for the crystalization in the Bowen's Reaction Series changes from high to low, accordingly the color of the crystallized minerals changes from:

A. Dark to light
B. Light to dark

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