Which of the Following Does NOT Physically Loosen Rocks on the Surface

question 86

Multiple Choice

Which of the following does NOT physically loosen rocks on the surface?

• A) water contracting as it freezes
• B) crystals of salt and other minerals that exert an outward force on fractures
• C) roots that pry apart fractures as the root grows in size
• D) joints that form when rock pressures are released
• E) rodents and other burrowing organisms

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