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 process diagram illustrates how ethanol, a type of biomass fuel, is produced.

Overall

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, it has ten steps, starting with energy

that is

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absorbed by trees, and ending with vehicles that produce carbon dioxide. There is

also

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a fermenting mechanism

that is

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involved in biofuel producing process. The first step was the growth of greenery and trees after receiving energy ,

such

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as sunlight and carbon dioxide. After that, trees were harvested using a harvesting machine

,

Punctuation problem

.

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Thirdly

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, using a pre-processing machine, plants were crushed until cellulose was produced. These cellulose will be used in the processing step. In the processing step, cellulose will be converted and end up producing sugars. Following that, microbes will be added to ferment the sugar from the

last

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process until it becomes ethanol.

Subsequently

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, ethanol is developed and can be used for vehicles

such

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as cars, trucks, and planes.

Finally

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, these vehicles will produce carbon dioxide

as a result

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