A steel section of the Alaska pipeline was recorded to shrink by 3.4 cm on a cold day. If the same section were twice as long, shrinkage would be

A. more than 6.8 cm.
B. 6.8 cm.
C. also 3.4 cm.
D. 0.17 cm.


Answer: B

Environmental & Atmospheric Sciences

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Each number on this figure refers to a location depicting groundwater in a subsurface material that is consistent in character across the entire figure. Of these locations, which would likely have the fastest groundwater flow?



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C) 3
D) 4
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