What type of water mass dissolves the most amounts of gases? a. ...

[LCritchfi]

What type of water mass dissolves the most amounts of gases?
  a. Tropical water masses
  b. Temperate water masses
  c. Equatorial water masses
  d. Polar water masses

Question 2

What is not a factor on the salinity of a particular region of ocean?
  a. Evaporation
  b. Precipitation
  c. Freshwater run-off from the continents
  d. Saturation levels

[yasmina]

Answer to Question 1

ANS: D
Gases dissolve the most in colder waters. The saturation level increases as temperatures decrease. This
partly explains the high nutrient productivity in the polar regions. Information can be found in the
section Gases Dissolve in Seawater.

Answer to Question 2

ANS: D
Salinity is the concentration of dissolved inorganic solids in water. Despite an average of 35 salinity
in the ocean, there are regions of variation. Salinity levels can be heavily impacted by evaporation,
precipitation, and run-off activities. Information can be found in the section Seawater Consists of
Water and Dissolved Solids

[LCritchfi]

Thanks

[yasmina]

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