The student effectively incorporates relevant and appropriate source material in their essay, utilizing secondary data to provide a deeper explanation of the research question and create hypotheses. Throughout the essay, all externally sourced information is properly cited with footnote citations, demonstrating effective incorporation of the source material. Additionally, the student ensures that the majority of the source material is from accredited scientific sources, as evidenced by the materials included in the Bibliography and citations. The use of technical or subject-specific terms is accurate and accompanied by clear explanations, maintaining an academic and analytical tone. However, the student is advised to ensure the appropriate and consistent use of symbols, relevant equations, numbers of significant digits, and SI units throughout the essay, as highlighted in the examiner's comment regarding the use of significant digits in the table.