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 graph depicts

a

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biofuel production which is

Ethanol

. It is a circle

which

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consisting of eight steps from initial carbon dioxide to final

Ethanol

.

Moreover

, the final

ethanol

will join the circle

in

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the next time. In the first stage, one important ingredient is carbon dioxide, which comes from various vehicles including airplanes, trucks and cars. They flow to forests and mix with sunlight, both being

intook

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taken

by plants and trees to grow vividly. Once mature, the woods are harvested and transported to pre-process where trunks and leaves are smashed in order to own Cellulose for the following process. The extracted Cellulose is conveyed to laboratories for

further

processing. Once the Cellulose is tackled, the resulting sugars are observed.

Following

this

, microbes are added

in

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to

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sugars before going to the final step.

Subsequently

, the added

microbes

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microbes'

microbe's

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sugars are produced

to

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into

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Ethanol

. In the

last

step,

Ethanol

takes part in producing carbon dioxide over and over again.