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 illustrates the way in which ethanol is produced for utilisation as a biofuel.

Overall

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, there are 6 stages in the whole production process, beginning with harvesting vegetation and ending with the usage of fabricated fuel by different modes of transport.

To begin

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with, energy produced by the combination of sunlight and carbon dioxide assists in growing plants and trees. Later, those wood materials are harvested and undergo

a

Correct article usage

apply

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pre-processing. After an extensive cutting procedure, a piece of cellulose is achieved.

Following

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this

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, the obtained material goes through a complete chemical processing, where sugar elements are synthesised.

Next,

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some unrevealed microbiological organisms are added to the solution

and

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, and

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ethanol is produced as a complete chemical product. After that, it can be used as a biofuel by diverse transportation means , both on the ground and in the air.

Finally

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, the emitted carbon dioxide returns to nature

by

Change preposition

through

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exhaust fumes

and

Punctuation problem

, and

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the process continues with the initial step.