When water enters a crack in a rock and subsequently freezes, it has the effect of ___

a) gluing the rock more tightly together
b) making the rock harder
c) sealing the crack thereby preventing further weathering
d) widening the crack and hastening the rock's disintegration
e) displacing surface acids that may weaken the rock


Ans: d) widening the crack and hastening the rock's disintegration

Environmental & Atmospheric Sciences

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