The average salinity of ocean water is ______.

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37 ppt

53 ppt

45 ppt

35 ppt

answer is D.

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Detailed Solution

The salinity of seawater means the presence of salts dissolved in seawater.
The average salinity of seawater is 35 ppt. An easy way to determine the salinity of seawater is to evaporate one kilogram of seawater and finally weigh its residue in grams.

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