Geology 101 Quiz 1

25 Questions  I  By Njhasty on April 29, 2009
Exam 1 study for final- exam A

  
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1.  A particular country had a population of 250 million in 1970 and a population growth  rate of 1.75%. At this rate, what is the expected population for the year 2050? 
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2.  The most important aspect of a given population, in terms of predicting the rate of  growth of that population, is 
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3.  A geological specimen has been analyzed and found to contain 200 million atoms of a  radioactive isotope whose half-life is known to be 300 million years. The same specimen  contains 600 million atoms of the daughter product produced by the decay of the  radioactive isotope. How old is this specimen? 
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4.  The advent of instruments that allowed earthquakes to be located precisely lead to the  conclusion that 
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5.  The estimated global population in 1830 was 1 billion people. In 1930, it was  estimated that 2 billion people inhabited the planet. What was the average rate of  population growth during this 100-year interval? 
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6.  The inner “terrestrial planets”, including Earth, do not have the massive, dense  atmospheres of the “gas giants” such as Jupiter and Saturn; this is thought to be the result  of 
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7.  The geologic principle which states that, in a series of undisturbed sedimentary rocks,  the layers at the bottom are older than the layers on top, is called the 
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8.  Risk is evaluated as 
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9.  True or False? Natural disasters that occur most frequently also have the greatest  magnitude in terms of energy and capacity to do damage. 
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10.  The average residence time of an item of interest in a given reservoir is determined by
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11.  The brittle, outermost portion of Earth, composed of continental and oceanic crust  and the uppermost mantle, is called the 
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12.  The geological principle that processes operating on Earth today are the same as those  that have been operating throughout the history of the planet is called
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13.  Which of the following is classified as a hydrometeorological hazard?
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14.  Our solar system is believed to have formed 
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15.  True or False? In general, natural disasters that take the greatest number of human  lives also result in massive property damage. 
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16.  The ability of a system (or the whole Earth) to sustain its population in reasonably  healthy and comfortable conditions is known as the
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17.  Factors which allow Earth to support life as we know it include 
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18.  According to the Geo-2000 report of the United Nations Environmental Project,  problems requiring the most attention in North America are 
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19.  The San Andreas fault in California is an example of what kind of plate boundary? 
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20.  Accidental release of radioactive gases from a nuclear power plant would be which  type of hazard? 
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21.  Which of the following is NOT covered by the standard homeowner’s insurance  policy? 
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22.  Which of the following is NOT considered part of the Earth Systems? 
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23.  Which of the following was not presented as evidence that the southern continents were once connected into a single land mass? 
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24.  True or False? Alfred Wegener’s theory of Continental Drift was not accepted by the  scientific community because the mechanism he proposed as the driving force was shown
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25.  True or False? The composition of gases in Earth’s atmosphere has remained  relatively constant throughout the history of the planet, varying by no more than  approximately 10% of the proportions currently present. 
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