Frost wedging is most effective __.
A) in areas with many days of freezing and thawing
B) in the winter when the rock is frozen solid for months on end
C) in the spring and fall in very dry desert areas where temperatures dip down below 0$\degree$C at night and above 0$\degree$C during the day
D) in the summer when abundant rainfall percolates through the cracks to freeze in contact with the very cold rock found deep below the surface

Question

Quizplus · Accepted Answer

Frost wedging is most effective in areas with many days of freezing and thawing because it requires frequent cycles of freezing and thawing to break apart rock and soil. In areas with long periods of frozen ground, there may not be enough fluctuation in temperature to cause effective frost wedging. Dry desert areas or summer rainfall may not provide enough moisture for the process to occur.

Frost Wedging Is Most Effective __ °\degree° C at Night and Above 0

Frost Wedging Is Most Effective __ $\degree$ C at Night and Above 0