Q22
The average salinity of seawater is
A.
3%
B.
3.5%
AnswerC.
2.5%
D.
2%
Answer: Option B
Solution
Answer: Option B
Solution:
Salinity is generally low at the equator and at the poles, and high at mid-latitudes. The average salinity is about 35 parts per thousand. Stated in another way, about 3.5 percent of the weight of seawater comes from the dissolved salts.