Why are some tropical waters unable to sustain life? a. There is ...

[lbcchick]

Why are some tropical waters unable to sustain life?
  a. There is an addition of pollutants in many of these areas.
  b. There is a low level of dissolved oxygen due to temperature.
  c. There is a greater amount of carbon dioxide.
  d. There are more conservative components in these waters.

Question 2

What is the term for ocean components not accounted for by the weathering of continents?
  a. Conservative constituents
  b. Excess volatiles
  c. Nonconservative constituents
  d. Trace elements

[DylanD1323]

Answer to Question 1

ANS: B
Gases dissolve readily in cold waters. Tropical waters have lower saturation capabilities. The oxygen
concentrations in some tropical regions may not be able to sustain animals. This can be further affected
by the addition of pollutants from sewage. Information can be found in the section Gases Dissolve in
Seawater

Answer to Question 2

ANS: B
Excess volatile are the components in the ocean that are not form the weathering of continents as the
conservative constituents. These appear to be from the upper mantle. Information can be found in the
section Seawater Consists of Water and Dissolved Solids.