The Atmosphere-Ocean System 13 questions

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Question 1

Which of the following best describes the ocean surface
layer?


A. zone of calm, slow-moving water
 
B.     
zone of turbulent mixing

 
C.     
zone of very dense, cool water

 
D.     
zone of low-salinity, dense water

 

Question 2

Which statement best describes the difference between ocean
surface currents and deep ocean currents?                      

      A. Surface currents are cooler than deep currents
because of the influence of wind.

 
B.     
Surface currents are driven by wind; deep
currents are driven by density differences.

 
C.     
Surface currents are slow-moving; deep currents
are fast-moving.

 
D.     
Surface currents are denser than deep currents.

 

Question 3

 Flat areas that
occupy the deepest parts of the ocean floor are called the                        

A.     
abyssal plains

 
B.     
guyots

 
C.     
oceanic trenches

 
D.     
continental shelves


Question 4

Where does most of the deep ocean water come from?

A.            sinks from the North Atlantic

B.            input from rivers and streams on the
continents

C.            upwelling from the Indian and
Pacific Oceans

D.            melting of polar ice sheets

 

Question 5

    What effect might
the introduction of more freshwater into the North Atlantic have on global
ocean circulation?

      A.     
speed it up

 
B.     
stop it completely

 
C.     
block it and slow it down

 
D.     
make it flow in the opposite direction

 

Question 6

    What happens
during El Nino years when coastal upwelling off the coast of South America is
disrupted?

      A.     plankton populations flourish and fishing is
very productive

 
B.     
plankton populations stay fixed but fish
populations boom, creating imbalance in the ecosystem

 
C.     
plankton populations die off and fishers are put
out of work

 

Question 7

    From which of the
following do clouds form?

      A.     
moisture evaporated from Earth

 
B.     
moisture from winds

 
C.     
water droplets from the upper atmosphere

 
D.     
air pollution

 

Question 8

    As the Gulf Stream
travels north, it cools the air above it, making the climate of England cooler
than it would be without the Gulf Stream.

    True
 
    False
 

Question 9

    Tundra is found in
which climate zone?                             

      A.     
tropical

 
B.     
temperate

 
C.     
polar

 
D.     
Mediterranean

 

Question 10

    Which of the
following often takes place during El Nino?          

      A.     
drought in the western Pacific

 
B.     
high rainfall in the western Pacific

 
C.     
strengthening of trade winds in the south
Pacific

 
D.     
ocean cooling

Question 11   

 Large
mountains can block the passage of moist air, making one side of the mountain
receive more rain than the other.
 

    True 

         False
 

Question 12

Which layer of the atmosphere is
very thick and is characterized by charged particles called ions?

A.     
thermosphere

 
B.     
troposphere

 
C.     
stratosphere

 
D.     
mesosphere

 

Question 13 

In air the elements lead, cadmium,
mercury and copper are examples of         

     A.     
radioactive pollutants
 

B.     
toxic metals
 

C.     
VOCs
 

D.     
CFCs

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