1. Which one of the following processes is not a form of mass wasting? A) accumu

Question

1. Which one of the following processes is not a form of mass wasting? A) accumulation of talus at the base of a cliff face; B) slump; C) mudflow; D) alluvial fan development; E) soil creep.<?xml:namespace prefix = o ns = "urn:schemas-microsoft-com:office:office" />

2. In cold climates, what process can promote joint block separation by invasion of water into the pore spaces and fractures of rock? A) chemical weathering by carbonation; B) wind abrasion; C) mechanical weathering by frost action or “freeze-thawâ€; D) exfoliation from unloading; E) dissolution.

3. What acid is particularly active in the processes of chemically weathering limestone? A) sulfuric acid;

B) carbonic acid; C) nitric acid; D) hydrochloric acid; E) lime.

4.A layer of weathered rock particles that occupies most slopes, provides a source for transported sediments, and supplies the mineral components for the development of soil is called: A) rock debris; B) tuff; C) loam; D) regolith; E) none of the above.

5. A lahar is a special type of mudflow that is associated with what sort of event? A) heavy rainfall from a hurricane; B) volcanic eruption; C) 100-year flood event; D) soil creep; E) debris avalanche.

Explanation / Answer

1. A) accumulation of talus at the base of a cliff face

2. C) mechanical weathering by frost action or a freeze-thaw;

3. B) carbonic acid

4. D)regolith

5. B) volcanic eruption

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