Asked by Toni

Water freezes in the crack in this boulder and expands. Over time pieces of the boulder will break off. What type of wathering effects is this an example of?

a. wedging
b. hydration
c. carbonation
d. reduced pressure
Answered by PsyDAG
Wedging.

You can get your answer more quickly by Googling the alternatives as key words. Also see http://hanlib.sou.edu/searchtools/.
Answered by april lee
wedging
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