Compare and contrast earthflows and debris flows
What will be an ideal response?
Answer: Both are fast-moving mass-wasting events. Both require some water, though debris flow needs more water than earthflows. Earthflows are composed of fine-grained materials whereas debris flows contain a variety of particle sizes. Earthflows, depending on the water available, tend to be more viscous than debris flows and move more slowly.
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Classify the following properties as physical or chemical.Can be made into thin sheets.
Fill in the blank(s) with the appropriate word(s).
The deepest trench is the world ocean is the: a. Mariana Trench
b. Java Trench. c. Aleutian Trench. d. Peru-Chile Trench.
Burkina Faso represents a nation in which
A) there is a strong middle class, allowing women to marry later, find employment, and have small families. B) long life spans have produced a large elderly population, supported by good social services. C) many women are illiterate, marry early and have large families, partly because the infant mortality rate is very high. D) medical facilities are excellent, and women are having fewer children because infant mortality has dropped dramatically.
The suspended load of a stream consists of
A. material rolled along the streambed. B. sediment trapped in a reservoir behind a dam. C. dissolved material in solution. D. fine sediment carried in suspension.