Weathering by Thermal Expansion and Contraction Involves All of the Following

question 29

Multiple Choice

Weathering by thermal expansion and contraction involves all of the following factors EXCEPT:

• A) the thermal expansion of air within fractures in rocks enlarges the openings.
• B) the outside of a large rock experiences more temperature fluctuations than the inside of the rock.
• C) the addition of water to the surface of the rock influences the rate of mechanical weathering.
• D) different kinds of minerals within a rock expand at different rates when heated.