What is the approximate mixing time of the ocean?

a. 160 years
b. 1,600 years
c. 16,000 years
d. 1.6 million years


ANS: B
The mixing time of the ocean is due to vigorous current activity. This activity allows constituent
materials to become evenly distributed throughout the ocean. Information can be found in the section
Seawater Consists of Water and Dissolved Solids.

Environmental & Atmospheric Sciences

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