Simple pumping gets only about 30% of the oil in a reservoir rock out of the ground. To increase the pumping/recovery rate, what kind of secondary recovery technique can be used?
a. Force the steam into the ground nearby (the steam heats the oil in the ground, making it less viscous)
b. Use new drill bits
c. Hydrofracturing (or fracking)
d. Use a more powerful pump
e. Both a and c
Ans: e. Both a and c
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A) true B) false
What do these curved ridges (eskers) suggest happened on the landscape?
A) Ancient shorelines were present.
B) Meltwater channels were below or within a glacier.
C) Soft glacial sediment was shaped by the moving glacier.
D) Glacially derived, wind-blown dust was abundant.
Describe an example of using spatial aggregation for map-based data manipulation.
What will be an ideal response?
An area that experiences diurnal tides will have ________
A) one high tide and one low tide daily B) one high tide and two low tides daily C) one low tide and two high tides daily D) two high tides and two low tides of nearly equal height daily E) two unequal low and high tides daily