What kind of landform is illustrated by the cluster of small hills in the northern portion of the map? Explain their development.
The questions is based on Figure 45-3, a portion of the “Antelope Peak, Arizona” quadrangle (scale 1:62,500; contour interval 25 feet). In the northern portion of the map, a gently sloping pediment is visible (32°47'52"N, 112°05'21"W). You may view this map in color by going to the Lab Manual website or by scanning the QR code for this exercise.
What will be an ideal response?
Inselberg, Erosional remnants of mountain tops, now surrounded by alluvium; some inselbergs may be the result of detachment faulting.
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The next frontier in resource extraction in the region may be
A) oil-tar sands B) deep -sea mining C) the generation of electricity from tidal currents D) hydraulic fracking E) wind turbines erected on platforms erected in deep oceanic waters
What is it about classic centrifuge models that in some ways makes them unrealistic?
What will be an ideal response?
On average in the United States, every day each person produces about
A) 10 to 20 gallons of wastewater, containing about a gallon of waste. B) 50 to 100 gallons of wastewater, containing about three gallons of waste. C) 150 to 200 gallons of wastewater, containing less than half a gallon of waste. D) 300 to 400 gallons of wastewater, containing about 10 gallons of waste.
Approximately how many years ago did our species, Homo sapiens, begin to migrate out of Africa and settle in Europe, Asia, and Australia?
A) 100 million years B) 10,000 years C) 1 million years D) 100,000 years E) 50,000 years