The student demonstrates an appropriate methodology for their research question by proposing the use of Pearson's correlation to analyze the relationship between CO₂ emissions and average temperature, supported by reliable data sources. The data collection period from 1980 to 2020 is relevant and sufficient for the analysis. However, the student fails to provide sufficient detail for replicability, as they do not specify exact data sources or the sampling approach used. Additionally, the exploration lacks a discussion of potential risks, environmental considerations, and reasoning behind the chosen sampling approach, which are critical for a comprehensive understanding of the methodology. The student does adequately address ethical considerations by acknowledging the need for cross-referencing data to reduce biases.
