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OCE1001 Final Actual Exam Questions and CORRECT Answers

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OCE1001 Final Actual Exam Questions and CORRECT Answers Approximately what percentage of the surface of Earth is covered by oceans? - CORRECT ANSWER -71% Which ocean is the deepest on Earth? - CORRECT ANSWER -pacific ocean Based on the scientific method, science supports the explanation of t...

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OCE1001 Final Actual Exam Questions
and CORRECT Answers
Approximately what percentage of the surface of Earth is covered by oceans? - CORRECT
ANSWER✔✔ -71%



Which ocean is the deepest on Earth? - CORRECT ANSWER✔✔ -pacific ocean


Based on the scientific method, science supports the explanation of the natural world that
_____________. - CORRECT ANSWER✔✔ -best explains all available observations


The Age of Discovery was the time period in ocean exploration history when
_____________. - CORRECT ANSWER✔✔ -the Western European world realized the
vastness of Earth's water-covered surface


Who began the voyage of the Victoria, the first vessel known to circumnavigate Earth? -
CORRECT ANSWER✔✔ -Ferdinand Magellan


The GPS system is a tool used for determining surface __________________. - CORRECT
ANSWER✔✔ -Location


The most accurate scientific estimation of Earth's age is based on _____________. -
CORRECT ANSWER✔✔ -radiometric methods of determining the age of rocks


The cosmological model for the formation of the Sun and the rest of our solar system is
called the ___________________. - CORRECT ANSWER✔✔ -nebular hypothesis



The oceans are believed to have formed about _ - CORRECT ANSWER✔✔ -4 billion years
ago


Which of the following statements concerning density stratification is FALSE? - CORRECT
ANSWER✔✔ -Density stratification has caused our Earth to be homogeneous throughout.

,Of the following, which best describes the physical property of the asthenosphere? -
CORRECT ANSWER✔✔ -plastic



What physical property determines the order of Earth's layers? - CORRECT ANSWER✔✔ -
Density


The vertical movement of crust to accommodate additional weight or removal of weight is
called - CORRECT ANSWER✔✔ -isostatic adjustment


Which of the following gases was not abundant from Earth's early atmosphere? - CORRECT
ANSWER✔✔ -oxygen


The naturalist Charles Darwin, who is credited with developing the theory of evolution by
natural selection, suggested that the changes organisms display through time were the result
of _ - CORRECT ANSWER✔✔ -adaptations to different environmental conditions



What did Stanley Miller's 1952 experiment demonstrate? - CORRECT ANSWER✔✔ -
Organic molecules could be created from the materials contained in Earth's early atmosphere
and ocean.


The subdivisions of the geologic time scale _____________. - CORRECT ANSWER✔✔ -
were initially based on fossil evidence, extinctions, and boundaries of sedimentary rock units.


What was the main reason scientists objected to Alfred Wegener's idea of continental drift? -
CORRECT ANSWER✔✔ -Wegener's proposed mechanism for movement was thought to
violate the laws of physics.


As a tool, paleomagnetism is a piece of modern evidence that has helped support plate
tectonics by showing that - CORRECT ANSWER✔✔ -magnetic sea floor "stripes" are
symmetric with respect to the mid-ocean ridge


The East Pacific Rise is associated with which type of plate boundary? - CORRECT
ANSWER✔✔ -divergent

, How is it that the floor of the ocean is so much younger than the ocean itself? - CORRECT
ANSWER✔✔ -The ocean floor keeps regenerating itself.


Plate boundaries where new oceanic crust is being added are called - CORRECT
ANSWER✔✔ -divergent boundaries


The faster the rate of spreading at the mid-ocean ridge or rise, the ________ the underwater
volcanic mountain range. - CORRECT ANSWER✔✔ -broader (wider)


The Hawaiian Islands are associated with which type of plate boundary? - CORRECT
ANSWER✔✔ -none of the above (The Hawaiian Islands are not associated with any plate
boundary.)


In general, where would the youngest ocean floor be found? - CORRECT ANSWER✔✔ -at
the mid-ocean ridge


What happens when an oceanic and a continental plate converge? - CORRECT
ANSWER✔✔ -The oceanic plate will be subducted.



What happens when two continental plates converge? - CORRECT ANSWER✔✔ -Neither
subducts; instead, a mountain range forms.


your job is to locate the world's plate boundaries. To do this, you may use only one map. The
best map to choose for this job is a map that shows the worldwide locations of - CORRECT
ANSWER✔✔ -earthquakes



Which of the following is associated with a subduction zone? - CORRECT ANSWER✔✔ -
the volcanic arc


How much wider is the Atlantic Ocean today than when Christopher Columbus sailed?
Assume that the Atlantic Ocean is getting wider at a rate of 3 centimeters per year (about 1
inch). (Round off the dates to the nearest century to make the calculation simpler.) -
CORRECT ANSWER✔✔ -15 meters (about 49 feet)

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