The student incorporates relevant and appropriate source material throughout the essay to effectively address the posed research question. They utilize a variety of credible sources, including statistical data from the Główny Urząd Statystyczny and academic publications, to substantiate their arguments and enhance the validity of their analysis. The integration of resources, such as primary data from surveys, supports the examination of quality of life differences between Poznań and Zielona Góra, while geographic terminology is used accurately to contribute to a clear understanding of the concepts discussed. However, the student does not consistently present technical or subject-specific terms with explanations, which limits the demonstration of their knowledge and understanding of the topic. Overall, the tone and style of the essay maintain an appropriate academic level throughout.