Given an approximate ocean water volume of 1.4 × 109 km3 and a rate of input/output of 320 × 103 km3/y, the residence time of water in the ocean is ________.

A. 4375 years
B. 2 months
C. 2 hours
D. 2286 years
E. 2 × 106 years


Answer: A

Environmental & Atmospheric Sciences

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