The student's research question clearly states the independent and dependent variables, along with their respective values and units, providing a clear understanding of the experimental setup. Additionally, the student discusses the background theory relevant to the research question, explaining the choice of the plant species and connecting it to the topic. The selection of methods for measuring the variables is well-explained, with clear justifications for the chosen concentrations and measurement techniques. Furthermore, the student effectively identifies and addresses safety, ethical, and environmental issues associated with the investigation. Overall, the methodology description is detailed enough to allow for the investigation to be reproduced without unnecessary or repetitive information, ensuring clarity for the reader.
