I can’t see the whole question?
Answer:
The correct option is: salinity increases
Explanation:
Ocean is a large water body that is a division of the World Ocean. An ocean is divided into various vertical zones based upon the physical and biological conditions.
The halocline zone is characterized by a <u>rapid increase in the salinity with the increase in the depth.</u> Thus resulting in decrease in the temperature of maximum density with the increase in salinity.
For average speed, we divide the total distance covered by the total time taken.
After doing that, you will see that Jane has the lowest average speed.