Ocean 115 - Introduction to Oceanography » Spring 2021 » Week 15 Post Reading Quiz

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Question #1
Seaweeds used as additives for fabrics and adhesives would be classified in which group of marine resources?
A.   biological resources
B.   nonextractive resource
C.   physical resources
D.   marine energy resource
Question #2
Petroleum most likely formed from which organic substrate?
A.   Sea grasses
B.   Water column debris
C.   ​Planktonic organisms and bacteria
D.   Fossilized fish
E.   Whale falls
Question #3
What is hypoxia?
A.   The depletion of free oxygen in an area
B.   The increase of nitrogen in an area
C.   The increase of carbon dioxide in an area
D.   The increase of free oxygen in an area
E.   The depletion of nutrients in an area
Question #4
What is a major product of combustion for all hydrocarbons?
A.   nitrous oxide
B.   oxygen
C.   hydrogen
D.   nitrogen
E.   carbon dioxide
Question #5
What happens when the ocean absorbs more carbon dioxide?
A.   Seawater pH decreases.
B.   Less carbonic acid forms.
C.   Coral reef building increases
D.   Seawater pH increases.
E.   Calcium carbonate dissolution decreases.
Question #6
Which of the following is both a natural pollutant and a human-generated pollutant in the world ocean?
A.   halogenated hydrocarbons
B.   PCB's
C.   oil
D.   chlorinated hydrocarbons
E.   plastics
Question #7
Where is the most effective place to extract wind power?
A.   On mountaintops
B.   On the plains
C.   Near rivers
D.   In the desert
E.   Over or near the ocean
Question #8
What is bycatch?
A.   The unintentional killing of organisms during harvesting of a desirable species
B.   The targeted organisms for a harvest
C.   The quota of organisms allowed in a catch
D.   The number of organisms that can be harvested without impairing future generations
E.   The number of organisms caught in a trawl
Question #9
How far does the EEZ extend from a nation's shoreline?
A.   50 nautical miles
B.   200 nautical miles
C.   20 nautical miles
D.   100 nautical miles
E.   500 nautical miles
Question #10
What is the largest source of marine pollution to the world ocean?
A.   Runoff from land and city streets
B.   Drilling platforms
C.   Spills from tankers
D.   Air pollutants
E.   Transportation

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