This graph shows how many brine shrimp were still alive after 15, 30, and 45 minutes.  As you can see, as the amount of the pollutant added increased the amount of surviving brine shrimp decreased.
 
 
 

This graph shows how many brine shrimp were still alive after 15, 30, and 45 minutes.  As you can see, as the amount of the pollutant added increased the amount of surviving brine shrimp decreased.
 
 
 

This graph shows how many brine shrimp were still alive after 15, 30, and 45 minutes.  As you can see, as the amount of the pollutant added increased the amount of surviving brine shrimp decreased.