1a

2c

3a

4d

5a

6a

7d

8c

9a

10c

11a

12c

13d

14c

15d

short answer

1 fish will die because the salt water is hypertonic to the fish, so it is not used to the concentration gradient

2 hypotonic, the cell will swell up

concentration of water in the red blood cell is higher that the concentration outside