Multiple Choice
Which of the following is true regarding multiyear oscillations?
A) Although it is most famous, the El Niño - La Niña system is not a multiyear oscillation.
B) The Arctic Oscillation alternates with the Antartcic Oscillation.
C) The Pacific Decadal Oscillation has a 20-30 year cycle.
D) The North Atlantic Oscillation is unrelated to the Arctic Oscillation.
Correct Answer:

Verified
Correct Answer:
Verified
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