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 flow chart depicts the production process of a biofuel known as ethanol.

Overall

, it is apparent that there are three main stages involved in the development of

the

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biofuel, from energy generation to the release of carbon dioxide.Notably, the process transitions from a gaseous state to a chemical structure, eventually returning to a gaseous form to complete the cycle.

Initially

, the process begins with the pre-processing step where solid biomass

are

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is

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broken down into smaller particles after the harvesting of plants and trees. Once the plants are converted into cellulose, the cellulose is

further

processed and transformed into fermentable sugars.

Following

this

, microbes are introduced to ferment the sugars, resulting in the production of ethanol. At

this

point, the ethanol is used as a fuel for vehicles,

such

as cars, trunks, and

airplanes

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aeroplanes

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, ultimately being discharged as carbon dioxide. In the final stage, carbon is emitted into the atmosphere, where it interacts with sunlight, completing the cycle.