Task: Question Answering
Input (English): Use the information to answer the question. Over the last 150 years, the use of fossil fuels has increased, resulting in more carbon dioxide and other greenhouse gases in the atmosphere. Some scientists think that these atmospheric gases will result in global warming. Scientists have recorded data on global temperature changes and have predicted possible changes in sea level that may affect Maryland residents. Using fossil fuels in the United States will most likely contribute to rising sea levels globally by  
 (A) increasing oxygen levels (B) decreasing oxygen levels (C) increasing carbon dioxide levels (D) decreasing carbon dioxide levels
Output (English): C