Water flows into the cracks in a boulder and freezes. The water expands and pushes the rock apart. What surface process is this?

A. differential weathering
B. mechanical weathering
C. fast weathering
D. chemical weathering


Answer: B

Environmental & Atmospheric Sciences

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  Figure 24.5 Explain the environmental significance of Chattanooga, Tennessee. 

What will be an ideal response?

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A) Europa B) Titan C) Tethys D) Ganymede

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Which of the following statements about the asthenosphere is not true?

a. It lies beneath the lithosphere. b. It is a rigid rock layer.

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