Question #6422560Single Choice
Biology
Question
A researcher is studying the effect of different pH levels on the growth of algae in a pond. She sets up three tanks with water at different pH levels: Tank A has a pH of 5, Tank B has a pH of 7, and Tank C has a pH of 9. She ensures that all tanks receive the same amount of light, the same type of algae, and the same temperature.
In the same algae experiment, which of the following is the dependent variable?
Options
A
The pH level of the water
B
The growth of the algae
C
The amount of light provided
D
The type of algae used
Answer & Analysis
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