Which of the following is a mineral as defined by a geologist?
A) sugar B) water C) concrete D) salt E) boulder
D
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What data were used to develop the first geologic time scales?
A. the fossil record B. analyses of radioactive elements C. uniformitarianism
In California, Oregon, and Washington, development of hydropower is limited by potential impacts of facilities on ________
A) lack of water sources B) already existing fossil fuel plants in the area C) endangered fish D) agriculture demand for the land E) timber harvesting facilities
The ring of contiguous urbanization extending beyond, and around, the core city, yet within the metropolitan area is known as ________
A) Exurban B) Suburban C) The urban core D) Growth cities
Regional elevation can be decreased by
A. cooling of the crust. B. normal faulting that thins the crust. C. erosion. D. All of these choices are correct.