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Salt concentration (Salinity) of the sea measured in parts per thousand is:
a. 10 – 15
b. 30 – 70
c. 0 – 5
d. 30 – 35
Answers (1)
On average, seawater in the world's oceans has a salinity of approximately 3.5% or 35 parts per thousand. This means that for every 1 litre (1000 mL) of seawater, there are 35 grams of salts, that is mostly sodium chloride and lesser quantities of other salts dissolved in it. The answer is the option (d).
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