What is the dependent variable?What should Rafael’s conclusion be?

limotosis
Rafael notices that his 3 pet turtles are suffering from “Slimotosis” which occurs when the shell develops a nasty slime and gives off a horrible odor. His friend, Ariel, tells him that rubbing seaweed on the shell is the perfect cure, while Aaron says that drinking kelp water will be a better cure. Rafael decides to test these cures
by rubbing one turtle with seaweed for 1 week and having a second turtle drink kelp water. The third turtle is
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CA Rev. 3/31/2021
Chemistry A Credit 1 HS-L4L Chemistry A Page 8
not treated with either cure. After a week of treatment, the slime is gone from the turtle’s shell that drank the kelp water.
1. What was the initial observation?
2. What is the independent variable?
3. What is the dependent variable?
4. What should Rafael’s conclusion be?