The student has effectively justified the choice of topic and research question by highlighting the global issue of food waste, noting its significant contribution to greenhouse gas emissions, while also establishing personal relevance through experiences shared with their mother about minimizing waste. Additionally, the student has shown strong personal input and initiative in both the design and execution of the study, articulating a clear motivation linked to food waste and conducting preliminary experiments to inform the main experimental design. The methodology is well-documented, with justifications for control variables provided.
