Which statement best describes debris flows?
a. they move by laminar, viscous flow
b. they move by turbulent, viscous flow
c. they move by turbulent, non-viscous flow
d. they are laminar and move by a combination of plastic and viscous flow
d
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Briefly discuss rural-urban migration and the recent trends of suburbanization
What will be an ideal response?
The term that best describes a permanent move to a new location is
A) migration. B) mobility. C) net migration. D) net in-migration. E) net out-migration.
A "London-type" smog is characterized by:
A) low humidity and high levels of industrial pollution. B) the combination of smoke and fog on very humid days. C) the photochemical production of pollutants. D) high concentrations of fine particulate matter on sunny days.
Soils have a tendency to develop toward a state of ____________________ with their environment
Fill in the blank(s) with correct word