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Earth Science Exam #2 The Ocean

55 Questions  I  By Hcarmikel
Earth Science Exam #2 The Ocean
Test on Ocean Sediments, Ocean Floor, El Nino and La Nina

  
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Question Excerpt

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1.  The oceans cover approximately ________ percent of Earth's surface.  
A.
B.
C.
D.
2.  Seamounts ________.
A.
B.
C.
D.
3.  "Black smokers" are associated with ________.
A.
B.
C.
D.
4.  Which one of the following is NOT part of the continental margin?
A.
B.
C.
D.
5.  Which one of the following concerning mid-ocean ridges is false?
A.
B.
C.
D.
6.  Turbidites and siliceous oozes are both biogenous sediments.
A.
B.
7.  It is thought that submarine canyons on the continental slope have been generated by ________
A.
B.
C.
D.
8.  The sediments that are produced in areas of high primary productivity are indicated by the number(s):
A.
B.
C.
D.
9.  Calcium carbonate is most likely to dissolve in water with which characteristics?
A.
B.
C.
D.
E.
10.  Seafloor hot springs occur mainly in oceanic, abyssal plains.
A.
B.
11.  ________ diatom ooze
A.
B.
C.
12.  Which of the following contains silica (SiO2)?
A.
B.
C.
D.
E.
13.  Sediments which are poorly sorted and made of a variety of minerals could have been deposited by: . .
A.
B.
C.
D.
E.
14.  Sand, silt, and clays deposited on the ocean floor are described as terrigenous sediments
A.
B.
15.  Submarine canyons found on the continental slope and are believed to have been created ________.
A.
B.
C.
D.
16.  Submarine canyons form the deepest parts of the ocean basins.
A.
B.
17.  ________ calcareous ooze
A.
B.
C.
18.  The Atlantic and Pacific basins have oceanic ridges; the Indian Ocean has no oceanic ridge
A.
B.
19.  Which ocean has the greatest average depth?
A.
B.
C.
D.
20.  ________ quartz sand
A.
B.
C.
21.  Which of the following contains calcium carbonate (CaCO3)?
A.
B.
C.
D.
E.
22.  Concerning the distribution of land and water, which of the following statements is true?
A.
B.
C.
D.
23.  The ________ Ocean is largest
A.
B.
C.
D.
24.  The element found in some sediments which suggest that a meteorite or asteroid impact occurred nearby is:
A.
B.
C.
D.
25.  The crests of mid-oceanic ridges ________.
A.
B.
C.
D.
26.  The continental rise lies at the bottom of the continental slope.
A.
B.
27.  Biogenous sediments are indicated by the number(s):
A.
B.
C.
D.
28.  An echo sounder operates by measuring the time required for a ________.
A.
B.
C.
D.
29.  How do calcareous oozes form?
A.
B.
C.
D.
30.  Sediments that are derived primarily from the weathering on continental material are indicated by the number(s):
A.
B.
C.
D.
31.  Which one of the following would you NOT associate with turbidity currents?
A.
B.
C.
D.
32.  ________ abyssal plain clay
A.
B.
C.
33.  Submerged, flat-topped seamounts are known as guyots.
A.
B.
34.  The ________ marks the transition between the warm surface layer and the deep zone of cold water in the oceans.
A.
B.
C.
D.
35.  ________ develop where oceanic lithosphere bends downward and sinks into the mantle.
A.
B.
C.
D.
36.  The surface waters in regions where evaporation rates are high, such as the Red Sea, have higher than average salinities
A.
B.
37.  High energy environments are most likely to contain which one of the following?
A.
B.
C.
D.
E.
38.  The gently sloping submerged surface extending from the shoreline toward the deep ocean is termed the ________.
A.
B.
C.
D.
39.  Calcareous oozes are represented by the number(s);
A.
B.
C.
D.
40.  Compared to the Southern Hemisphere, a higher percentage of the Northern Hemisphere is water covered.
A.
B.
41.  Manganese nodules do not accumulate below 4500 meters depth because the manganese minerals are highly soluble in seawater below that depth.
A.
B.
42.  The ________ Ocean has more extensive abyssal plains than the Pacific Ocean because it has fewer trenches to trap sediments moving down the continental slope.
A.
B.
C.
D.
43.  The major force bringing continental sediments to the open ocean is (are): .
A.
B.
C.
D.
E.
44.  ________ manganese nodule
A.
B.
C.
45.  The continental rise is located ________.
A.
B.
C.
D.
46.  Which of the following is not an important control on oceanic sediment accumulation?
A.
B.
C.
D.
E.
47.  Which of the following is associated with ocean ridges?
A.
B.
C.
D.
48.  A pelagic clay contains lots of material that settles to the seafloor through the water column and are:
A.
B.
C.
D.
E.
49.  The most likely place to find abundant manganese nodules is on the:
A.
B.
C.
D.
E.
50.  ________ turbidite deposits
A.
B.
C.
51.  A very important way to increase the settling rate of fine particles in the open ocean is via: .
A.
B.
C.
D.
E.
52.  The BEST definition of the outer edge of the continental shelf is that point where ________.
A.
B.
C.
D.
53.  Which one of the following salts is most abundant in seawater?
A.
B.
C.
D.
54.  Which of the following is NOT true of deep ocean trenches?
A.
B.
C.
D.
55.  Minerals that crystallize directly from seawater are examples of ________.
A.
B.
C.
D.
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