The given diagram illustrates the production process of ethanol in the form of a circle which has seven steps.
Overall
, the process shows how to make biofuel in several stages, starting from natural materials and ending with carbon dioxide which completes the circle.
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First,
plants and trees that absorb energy Linking Words
such
as sunlight and carbon dioxide, are harvested. Linking Words
Then
the materials go through the pre-process to obtain cellulose - a key component for ethanol production. In the next step, cellulose proceeds to chemical processing to produce sugars.
In the final stages, the microbes are added to the gathered sugars to make the ethanol Linking Words
that is
used as a fuel for vehicles, Linking Words
such
as cars, trucks and aeroplanes which will produce the carbon dioxide and complete the circle.Linking Words
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