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

The flow chart illustrates the production of

ethanol

through various stages involved

along with

several tools used.

Further

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Further,

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it demonstrates how

this

ethanol

is utilized which is essential for vehicles.

Overall

, it is apparent from the diagrams that the production of it involves undergoing several stages

such

as harvesting, pre-processing and adding microbes .

This

ethanol

is

then

used as fuel for the transport.

To begin

, trees and plants that receive energy from sunlight and carbon dioxide are grown to maturity . In the second step, there was harvesting which plants and trees

are

Wrong verb form

were

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collected by tractors and brought for pre-processing by farmers .

Next,

after the pre-processing process, the items are sent to the next process for cellulose .

then

in the

laboratory

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laboratory,

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it is divided into "processing" to obtain sugar.

At

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In

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next

Correct article usage

the next

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stage,

Ethanol

is obtained by adding microbes to ready-made sugar.

Ethanol

is used for cars , heavy tracks and

airplanes

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aeroplanes

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. All three vehicles emit carbon dioxide when they operate and the resulting carbon dioxide is consumed by plants and trees,

thus

creating a biological cycle