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Home > Oceans Of The World > Question

What is the approximate average salinity (salt content) of the world's oceans?

0
A) 7.5%
B) 5.5%
C) 3.5%
D) 1.5%

Correct Answer: C) 3.5%

Salinity is the measure of all the salts dissolved in water. The average salinity of the oceans is about 3.5%, or 35 parts per thousand. This means that for every 1 liter of seawater, there are about 35 grams of dissolved salts.

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