Which of the following can be caused by overpumping of groundwater?
A. the destruction of an aquifer
B. land subsidence
C. a change in the flow direction
D. All of these can be caused by overpumping.
Answer: D
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When any electrical device in a vehicle is turned on (such as an air conditioner), a greater amount of fuel is consumed by the engine. This statement is
A. always false. B. sometimes true, sometimes false. C. true. D. true only if the engine is running.
Which energy source is recommended to be used heavily in the transition from fossil fuels to locally available renewable resources?
A. geothermal B. wind C. nuclear energy D. petroleum E. natural gas
Briefly describe how alluvial fans are formed. Why do you think there is more than one stream on the Trail Canyon alluvial fan? Relate your answer to the process by which alluvial fans are formed.
What will be an ideal response?
The most important limiting factor for most driver-commuters is
A) the distance to their job. B) the time it takes to drive to their job. C) the cost of transportation to get to their job. D) the health risks associated with getting to their job.