Glencoe Earth Science

Chapter 18: Ocean Motion

Section 1 Self-Check Quiz-Eng.

1.
Ocean water might have come from all of the following EXCEPT _________.
A)volcanic eruptions
B)land basins
C)torrential rains
D)water vapor
2.
Which gas enters the ocean by photosynthesis?
A)carbon dioxide
B)oxygen
C)hydrogen
D)nitrogen
3.
Which gas that is found in ocean water does NOT come from the atmosphere?
A)oxygen
B)carbon dioxide
C)nitrogen
D)chlorine
4.
Dissolved salts and gases can enter seawater by all of the following EXCEPT __________.
A)organism respiration
B)desalination
C)ions from dissolved rocks
D)ions from erupting volcanoes
5.
Low areas on Earth that filled with water to form oceans are called __________.
A)salinity
B)basins
C)lowlands
D)valleys
6.
Salinity measures the amount of __________ dissolved in seawater.
A)hydrogen
B)oxygen
C)sodium
D)salt
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