________ are earthen mounds built on the banks of rivers to increase the volume of water the channel can hold
A) Natural levees
B) Channels
C) Flood-control dams
D) Artificial levees
Answer: D
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Which of the following processes occurs during baroclinic instability?
A. reduction of wave cyclones B. no air motion C. weak wind speed shear from the surface up to at least the 500 hPa level D. temperature advection
What is a climate that can be thought of as transition between the tropical wet and tropical dry climates?
A) monsoonal B) tropical wet and dry C) subtropical steppe D) none of these
Which of these does NOT describe subarctic climate?
A) latitudes 50°-70° (Northern Hemisphere only) B) Short, mild summers; long, severe winters C) precipitation of 20-45 inches per year; summer concentration; no distinct dry season D) precipitation normally 10-20 inches per year
Waves approaching shore at an angle create a(n) _______________ drift that essentially pushes a river of sand along the shore near the beach
Fill in the blank with correct word.