Question

The salinity of ocean water is not the same everywhere in the ocean. Which of the following is a cause of these differences in salinity?

A.changes in the density of ocean water
B.extraction of ocean water for desalination by coastal nations
C.high evaporation rates at the ocean's surface
D.dumping of salt into ocean water near coastal cities

Answer 1

B.Because evaporation causes increase in salt concentration and rate of evaporation is higher at surface since its in direct contact to the atmosphere

Answer 2

C.

Answer 3

C SORRY

Answer 4

Thats fine