The complete part of the question is" Khanh did an experiment to compare the rate of photosynthesis of two types of seaweed".
Anurag should change the types of seaweed in his experiment.
INDEPENDENT VARIABLE:
- In an experiment, two variables are important to be included, they are:
- Independent variable: This is the variable in an experiment which is altered or manipulated by the experimenter.
- Dependent variable: This is the variable that is measured or recorded by the experimenter.
- In this experiment conducted by Anurag, the rate of photosynthesis of two types of seaweed are compared. This means that Anurag should change the types of seaweed.
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