Q28
The average salinity of the sea water is ________ parts per thousand.
A.
25
B.
35
AnswerC.
50
D.
60
Answer: Option B
Solution
Answer: Option B
Solution:
The average salinity of the sea water is 35 parts per thousand. The average ocean salinity is 35 ppt and the average river water salinity is 0.5 ppt or less. This means that in every kilogram (1000 grams) of seawater, 35 grams are salt.