Question

The following map depicts Biscayne Bay between mainland Florida and the Florida Keys. The numbers that range from 0.2 to 36.2 represent salinity readings in Practical Salinity Units. Refer to this map when answering the following questions. Ato Biscayne F A B 0.2 10.7 1.8 17.1/ 31.3 3612 K 33.8/ 36.2 0.4 1.6 10.2 3.4 34.5 34.3 35.1 D E F Islandia Ob Rhodes Google 16. Which of the lines (A, B, C, D, E or F) on the map above respresents where the water changes from freshwater to brackish water. [4 points) 17. Which of the lines (A, B, C, D, E or F) on the map above respresents where the water changes from brackish water to salt water. [4 points) 18. What is the name given to water that has a higher salinity content than Earth's oceans? [4 points) 19. Between which two lines on the map above is the water referenced in question #18 located? [4 points] 20. Of all of the water on Earth, what percentage is fresh water in liquid phase? [4 points)

Answer 1

The brackish water contains 0.5 to 30g of salts per liter.

16. Line A represents the change from fresh to brackish water.

17. Water changes from brackish to salt water at line D.

18. The name given to the water that has higher salinity than the oceans is brine.

19. The brine is present between the lines D and E.

20.