Which of the Following Is True Regarding Multiyear Oscillations

question 102

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.

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