OCE1001 Final Actual Exam Questions and CORRECT Answers
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OCE1001
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...
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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