Which of the following is TRUE about seawater?
A) Seawater is pure water (H20).
B) The salinity of seawater is negligible.
C) Seawater is a solution.
D) The chemical composition of seawater has great spatial variability.
Question 2
What is the difference between an ocean and a sea?
A) An ocean is a vast body of water encompassing 70 of Earth, whereas a sea refers specifically to a large, inland, saline body of water.
B) The term sea is used to describe the global, interconnected water body covering 70 of Earth's surface, whereas oceans refer to the individual basins within this global sea.
C) Seas are generally smaller than an ocean and tend to be partially enclosed by land or large, inland, saline water bodies.
D) There is no difference, just a different term for the same physical feature.
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