Passive margins are usually produced over geologic time by which ...

[jCorn1234]

Passive margins are usually produced over geologic time by which of the following?
 
  A) Continental rifting and continued sea floor spreading
  B) Hot spot volcanism forming a chain of islands and seamounts
  C) Subduction of oceanic crust and submarine volcanic activity
  D) The closing of an ancient sea to form a salt rich lake
  E) Transform faulting along a continental margin or a mid-ocean ridge

Question 2

When nutrients are not limiting productivity, the ratio of carbon to nitrogen to phosphorus in the tissues of algae is in the proportion of ________ (C:N:P).
 
  A) 16:16:01
  B) 106:16:01
  C) 16:106:01
  D) 106:16:16
  E) 106:106:1

[bhavsar]

Answer to Question 1

A

Answer to Question 2

B

[jCorn1234]

Both answers were spot on, thank you once again

[bhavsar]

Great! Please up vote