Diverging surface waters are areas of ________ and ________ ...

[kamilo84]

Diverging surface waters are areas of ________ and ________ productivity.
 
  A) downwelling; high
  B) downwelling; low
  C) upwelling; high
  D) upwelling; low

Question 2

Which of the following is the major environmental concern regarding the release of methane from the sea floor to the atmosphere?
 
  A) At least fifty deep-ocean floor sites may contain extensive methane hydrate deposits.
  B) Methane is created when bacteria break down organic matter trapped in sea floor sediments.
  C) Release of large quantities of methane from the ocean causes dramatic effects on global climate.
  D) Sea floor methane seeps support a rich community of organisms that depend on the methane.
  E) Sudden releases of methane hydrates have been linked to underwater slope failures.

[bfulkerson77]

Answer to Question 1

C

Answer to Question 2

C

[kamilo84]

Excellent

[amcvicar]

Gracias!