The student provides a focused and detailed description of the main topic, including the aim of the research, the study's personal and global significance, the biological background information regarding the main aspects of the selected topic, and findings from the applicable scientific research on the relationship between obesity and varying diet compositions in different countries. The methodology of the investigation is highly appropriate to the topic, which includes trial investigation, selecting appropriate materials, and all procedural steps. The methodology includes appropriate steps to assure the relevancy and validity of the obtained results by using reliable calculating tools, conducting a trial investigation, and ensuring the data was collected from 2013 and from countries with an HDI above 0.808.