Other questions in this quiz

2. what is the classification of the ocean

  • euphatic - disphotic - aphotic
  • disphotic - kaphotic - euphatic
  • aphotic - disphotic - euphatic

3. how much food do oceans provide?

  • < 25%
  • 5-25%
  • 4%
  • 2%

4. what are isohalines?

  • lines of salinity
  • lines of temperature

5. how much Carbon does ocean phytoplankton fix each year?

  • 90 Gtons Cy-1
  • 40-50 Gtons C y-1
  • 60-70 Gtons C y-1

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