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← ScienceWhich outcome accelerates when trapped water freezes inside asphalt?
A)Raveling and increased surface erosion✓
B)Decreased road albedo reflection index
C)Lowered thermal expansion coefficient
D)Increased asphalt binder softening point
💡 Explanation
Raveling accelerates due to ice expansion. The water undergoes phase transition into ice, increasing its volume via volumetric expansion. This subjects the asphalt to greater tensile stresses, because the expanding ice dislodges the aggregate, therefore option A occurs rather than other surface characteristics changing significantly.
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