5
Q:
A) 35% | B) 3.5% |
C) 3% | D) 2.5% |
Answer: B) 3.5%
Explanation:
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%.