Where would you be most likely to find an artesian aquifer?
A. Where there are dipping rock units with an overlying aquitard.
B. Where you drill deep enough to tap the high pressure water found at depth.
C. Where there are dipping rock units that can be recharged from above.
Answer: A
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The power expended by a weightlifter to raise a barbell a distance of 2.0 m in 2 s is
A. 8 W. B. 1 W. C. 4 W. D. not enough information
Entrenched meanders are evidence for what sequence of geologic events?
A) Stream downcutting was followed by a rise in base level. B) A sea level rise was followed by stream downcutting. C) Lateral cutting by streams was followed by subsidence of the land. D) Land uplift was followed by stream downcutting.
Creep is the most economically damaging and widespread type of material flow
Indicate whether the statement is true or false
El Niño is a well known-weather phenomenon. In Ecuador and Peru, fisherman knew about the phenomenon long before it was well known because their fishing would be very poor during El Niño conditions
Normally Peru and Ecuador have a remarkable fishery because there is a prominent upwelling along the coast which produces plantonic blooms that feed the entire ecosystem. This upwelling is driven by surface wind conditions. From your knowledge of currents and wind conditions, which of the following happens during El Niño conditions in this area? A) The winds shift from prevailing southwesterlies to stagnant, doldrum conditions during El Niño. B) The winds shift from south to north, along the coast, to west to east, across the coast. C) The winds change from east to west (offshore flow) to onshore flow or weak winds during El Niño conditions. D) The winds shift from west to east (onshore flow) to offshore flow (east to west) during El Niño conditions.