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The image outlines the production of a biofuel called ethanol, detailing a cyclical process starting with energy input of sunlight and carbon dioxide for plants and trees, followed by harvesting; harvested material is then pre-processed, releasing carbon dioxide, and enters a processing stage where cellulose is broken down; sugars are produced, and microbes are added to begin fermentation; the resulting ethanol is then distilled and transported, releasing more carbon dioxide; cycle completes as carbon dioxide reintegrates back to energy-input stage.
Given the complexity of the image, the above description may not be entirely accurate.
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The diagram illustrates the production process of biofuel called ethanol.
Overall, the process compreises in 8 stages. This process begins with energy that grows plants and trees like sunlight and carbon dioxide. Plus, it concludes with adding microbes in processed material and finally became ethanol.
Looking at the diagram more closely, grown plants are harvested and get prepared to produced. With pre-processing, they become a form of cellulose. They get into the processing again, and become sugars. Adding microbes, sugars finally became ethanol. They are used as a fuel and move many transportations like car, truck, and airplane. Gas generated by these transportations contains carbon dioxide. Going back to the first stage, carbon dioxide combined with sunlight grows the plants and trees. They will repeat the cycle I illustrated above.
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