Ocean circulations A) can be changed by changes in ocean salt ...

[P68T]

Ocean circulations
 A) can be changed by changes in ocean salt concentrations.
  B) include both surface currents and deep subsurface currents.
  C) probably caused the Younger Dryas.
  D) can have substantial effects on climate.
  E) all of the above

Question 2

Ice ages
 A) have not occurred for several million years.
  B) have not affected North America.
  C) have been more severe because of plate tectonics.
  D) are more severe when the continents are closer to the equator.
  E) all of the above

[wtf444]

Answer to Question 1

E

Answer to Question 2

C

[P68T]

Excellent

[ghepp]

Gracias!