What is meant by the term strain markers? Give examples.
What will be an ideal response?
Answer: Strain markers are any visual expression in a deformed rock that allow us to identify changes in shapes and orientations caused by strain. They can be linear or may represent areas or volumes. For strain markers to be useful we must know or make some assumption about their pre-deformational shape, length, or orientation.
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GPD and per capita GDP
A. measure and compare cap-and-trade benefits. B. measure and compare the efficiency of tax shifting. C. measure and compare subsidies provided by more-developed nations. D. measure and compare the economic output of nations. E. generally are not useful for economists.
Examine the map of the plate boundaries and answer this question.
New oceanic floor is being created at ________.
A. J B. B C. C D. F
"New towns" are designed to
A. Improve the efficiency of industrial areas in urban centers B. Accommodate the reliance most people have on the automobile C. Incorporate open space with the convenience of living in an urban area D. Separate income classes to prevent crime E. Urbanize rural communities
Which of the following is true about tests we can perform on a mineral?
A. many common minerals react (effervesce) with dilute hydrochloric acid B. a streak plate is used to determine how hard a mineral is C. many minerals are strongly magnetic D. a softer mineral will scratch a harder mineral E. None of these choices are correct.