You should spend about 20 minutes on this task. The diagram below shows how a biofuel called ethanol is produced. Summarise the information by selecting and reporting the main features, and make comparisons where relevant.

The diagram illustrates the process of producing ethanol, a type of biofuel, from plants and trees. Overall, ethanol production is a cyclical process involving the growth of plants, the extraction and processing of cellulose, and the eventual use of ethanol as a fuel. In addition, carbon dioxide released during later stages is reabsorbed by plants […]