The zone of contact metamorphism (the aureole), ________.
A. is commonly rather narrow, from 1 to 100 meters wide
B. is a thin zone, less than 1 meter wide
C. is commonly broad, as much as several kilometers wide
D. is a very thin zone, no more than a few centimeters in width
E. extends throughout the surrounding region because rock is such a good conductor of heat
Answer: A
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Mountain chains that are examples of the two types of orogenic zones: __________,
__________. Fill in the blank(s) with the appropriate word(s).
According to current NAAQS standards, particulates
A) less than 2.5 micrometers in diameter have the greatest impact on human health. B) greater than 10 micrometers in diameter have the greatest impact on human health. C) should not be regulated by the EPA based on size. D) released into the air drop out within 15 minutes and thus are quite safe.
Which of the following is NOT a feature of what physical geographers study?
A. processes that created and changed the spatial distributions of natural features B. impacts of spatial distributions of the natural environment on people C. interconnections between different aspects of the natural environment D. All of these are features of what physical geographers study.
In science, the term theory is ________
A) a first guess B) an unsupported hunch C) a revolution around the Earth D) not relevant E) a well-tested explanation for a natural phenomenon