How do most salt deposits form?
A. rapid deposition offshore of deltas, like in the Gulf of Mexico
B. dense slurries of sediment and water along continental slopes
C. conversion of limestone to dolostone
D. evaporation of water, such as in restricted seaways
Answer: D
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Which of the following best describes a floodplain?
A. an area that is incidentally flooded when farming or mining operations change the course of rivers B. a region of land that is periodically flooded when a river overflows C. a region of land that has been deliberately, permanently flooded due to human disturbance, such as in dam building D. an area that is periodically flooded because humans have altered the landscape a region of land that is periodically flooded when a river overflows
The solar constant is
A. the same value for all planets, even Neptune. B. the same for a sphere or for a circle. C. only about a quarter of all energy emitted by the sun. D. consistent amount of energy received at the top of the atmosphere.
Which stream channels tend to be the most turbulent?
A) Wide ones B) Deep ones C) Ones with high speeds of flow D) Ones with smooth channel bottoms E) Ones having the slowest flow
Trash compaction reduces the volume of wastes in a landfill, but also reduces the rate of decomposition of organic matter.
Answer the following statement true (T) or false (F)