Which of the following best describes sets of fractures in relatively fresh bedrock, such as granite, that are roughly parallel to the land surface?
A) hydrolytic failures B) columnar joints
C) thermal expansion cracks D) sheeting fractures
D
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Urban planners suggest that it takes a population of about ________ to obtain the advantages of a city but still retain the sense of community.
A. 30,000 to 50,000 B. 90,000 to 100,000 C. 2500 to 5000 D. 500 to 1000
True or False: The Modified Mercalli Intensity Scale is a quantitative measure of an earthquake
Indicate whether this statement is true or false.
The primary motivation to develop the new renewable energy sources comes from ________
A) those who believe conservation is important B) those who believe fossil fuel dependence is suicide because it makes us vulnerable to the Middle East C) concerns that oxygen production by trees is endangered by fossil fuel use D) concerns over diminishing fossil fuel supplies and negative environmental impacts of fossil fuel use E) those who believe human health is impacted by smog and pollution
Which of the following settings is most likely to have eruptions of basalt?
A. subduction beneath a thin continental plate B. mid-ocean ridge C. subduction beneath a thick continental plate D. island arcs E. None of these choices are correct.