Q:
The average salinity of seawater is
Answer & Explanation
Answer: B) 3.5%
Explanation: Seawater or salt water is water from a sea or ocean.
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 dissolved in it.
Hence, The average salinity of seawater is 3.5%.
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