The diagram below shows how a biofuel called Ethanol is produced .

The given diagram illustrates the cycle of

Ethanol

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production

of

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by

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nature and

Correct pronoun usage

its utilization

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utilization

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utilisation

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in

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as

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vehicles fuel.

Overall

Linking Words

, it can be clearly seen that the whole process is divided into two clear

set

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sets

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of

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stage

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stages

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: harvesting

plants

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, manufacturing cellulose through pre-processing, producing sugars from refinement, adding microorganisms and

finally

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using

Ethanol

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in vehicles as

source

Correct article usage

a source

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of energy. The initial

stage

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of producing

ethanol

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all happens in the factory. In the first

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stage

Add a comma

stage,

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various

plants

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gathered

Verb problem

are gathered

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Correct word choice

and transmit

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transmit

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transmitted

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to the factory, with it

doing

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being done

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by

farmer

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farmers

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and

tractor

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tractors

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. Before being manufactured

cellulose

Punctuation problem

, cellulose

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in the factory, all harvested

plants

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are passed through

pre-processing

Correct article usage

a pre-processing

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stage

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while

Linking Words

heating.

Following

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this

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, to produce sugars, cellulose are went through

processes

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processed

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in the laboratory. Having

been

Verb problem

apply

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added microbes to sugars,

ethanol

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are

Correct subject-verb agreement

is

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produced. Growing

plants

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by sunlight and carbon dioxide generated

ethanol

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used in vehicles fuels is the

last

Linking Words

stage

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. Carbon dioxide emission through burning

ethanol

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Verb problem

is utilized

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utilized

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utilised

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in all types of fossil fuels

which

Punctuation problem

, which

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is exploited by cars, trucks and

airplanes

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aeroplanes

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and sunlight both play a crucial role in cultivating

plants

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, which continuously

made

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makes

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this

Linking Words

process continue.