How do freezing, thawing, wetting, and drying contribute to soil creep?
A) The soil becomes much weaker when dry and frozen.
B) The soil expands and contracts, lifting particles and dropping them a slight distance downslope.
C) Gravity exerts a much stronger force when the soil is wet and thawed.
D) Eventually, these cause the soil and regolith to suddenly slide down the slope.
B
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This type of mass wasting is a hazard within Yosemite National Park:
A. rock creep B. slumps C. rock slides and rock falls D. debris flows
Large number of French-speaking Africans and Arab Muslims live in what areas of the cities of western Europe (most notably Paris)?
A) in single -family homes within suburban neighborhoods B) close to the central city in upscale enclaves C) in high-density apartment buildings in the suburbs with little diversity D) in highly integrated and diverse inner-city neighborhoods E) in highly segregated inner-city neighborhoods
A rising parcel of unstable air:
A) can eventually escape into space. B) can rise well into the mesosphere. C) cannot rise very far above the tropopause. D) will not be slowed by entrainment.