Question

question 7 (2 points)
the rock below is in whistler, canada. what type of weathering is illustrated here?

a frost wedging.
b abrasion
c pressure release.
d salt weathering.

Explanation:

Pressure release (also called exfoliation) occurs when overlying rock is removed, reducing pressure on the underlying rock, causing it to expand and crack in layers. The rock in Whistler likely shows this layered cracking from pressure release (common in areas with glacial or erosional unloading). Frost wedging involves water freezing in cracks (not shown here). Abrasion is mechanical wear from particles (not indicated). Salt weathering involves salt crystal growth (unlikely in this context). So the correct type is pressure release.

Answer:

c. Pressure release