The student identifies and describes China's strategy to reduce coal use and install scrubbers to combat acid rain, detailing its development by the Ministry of Environmental Protection to cut sulfur dioxide emissions. This strategy is relevant to the research question concerning acid rain's impact on duckweed, as it aims to mitigate a primary cause of acid rain. The student thoroughly explores the social, economic, political, and environmental tensions surrounding this strategy, illustrating the support from environmental advocates and the concerns of industrial stakeholders about economic impacts. They clearly explain these tensions, highlighting the conflicting goals of stakeholders, which include the long-term ecological benefits versus short-term economic costs. Overall, the student's work effectively conveys the complexities involved in implementing the outlined environmental strategy.