Multiple Choice Identify the
choice that best completes the statement or answers the question.
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Section 3 - The Hydrosphere and Biosphere
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1.
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The average salinity of seawater by weight is
a. | 0.35 percent. | b. | 3.5 percent. | c. | 35.0
percent. | d. | None of the above |
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2.
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With respect to energy, Earth is a(n)
a. | layered system. | b. | integrated system. | c. | open
system. | d. | closed system. |
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3.
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Where do organisms obtain the energy they need?
a. | biosphere | b. | hydrosphere | c. | atmosphere | d. | lithosphere |
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4.
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What is the second largest ocean on Earth?
a. | Arctic Ocean | b. | Indian Ocean | c. | Pacific
Ocean | d. | Atlantic Ocean |
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5.
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Deep currents flow along the
a. | ocean floor. | b. | ocean surface. | c. | thermocline. | d. | halocline. |
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Matching
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Section 3 - The Hydrosphere and Biosphere
In the space
provided, write the letter of the description that best matches the term or
phrase.
a. | groundwater | d. | sunlight | b. | river
system | e. | surface
zone | c. | phytoplankton |
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6.
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water used for drinking and agriculture
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7.
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the warm, top layer of ocean water
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8.
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what green plants need to produce their food
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9.
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a network of streams that drains an area of land
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10.
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tiny, free-floating, marine algae
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