Multiple Choice
Identify the choice that best completes the statement or
answers the question.
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1.
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What percentage of the ocean is made up of solids?
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2.
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What is the most common compound (other than H2O) that is
found in the oceans?
a. | sulfates | b. | NaCl | c. | Nitrogen
ions | d. | Iodine ions |
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3.
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The highest density of sea water is
a. | warm, high salinity sea water | b. | cold, high salinity sea
water | c. | warm, low salinity sea water | d. | cold, low salinity sea
water |
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4.
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The average year-round temperature of the surface zone of the oceans is
a. | 45 degrees Celcius | b. | 37 degrees Celcius | c. | 59 degrees
Celcius | d. | 22 degrees Celcius |
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5.
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The current that brings deep cold water to the surface of the ocean is
called
a. | rip tide | b. | need tide | c. | upwelling | d. | undertow |
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