Question

9.2.5 quiz: weathering and erosion
which type of weathering occurs after water enters cracks in rock and then freezes?
a. abrasion
b. mass wasting
c. ice wedging
d. oxidation

Explanation:

• Abrasion is the process of wearing away rocks by friction, not related to water freezing.
• Mass wasting is the movement of rock and soil down slopes due to gravity, not about water freezing in cracks.
• Oxidation is a chemical reaction involving oxygen, not relevant to water freezing.
• Ice wedging occurs when water enters cracks in rock, freezes (water expands when it freezes), and breaks the rock apart.

Answer:

C. Ice wedging