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Though It Is Difficult to Generalize for the Ocean as a Whole

Question 8

Multiple Choice

Though it is difficult to generalize for the ocean as a whole, the bottom of the euphotic zone is about ____ meters (feet) in mid-latitudes.

A) 20 meters (66 feet)
B) 40 meters (130 feet)
C) 70 meters (230 feet)
D) 80 meters (265 feet)

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