Water temperatures in the northern Pacific Ocean vary from warm to cool due to the ____.
A)Pacific decadal oscillation
B)Arctic oscillation
C)North Atlantic oscillation
D)El Niño
E)La Niña

Question

Quizplus · Accepted Answer

The Pacific Decadal Oscillation (PDO) is a long-term ocean fluctuation of the Pacific Ocean, which affects water temperatures in the northern Pacific Ocean, causing variations from warm to cool phases.

Water Temperatures in the Northern Pacific Ocean Vary from Warm