The diagram below shows how a biofuel called ethanol is produced. Summarise the information by selecting and reporting the main features, and make comparison where relevant

The diagram illustrates how

ethanol

, which is a biofuel product, is made.

Overall

, after

plants

receive enough sunlight and

carbon

dioxide

from vehicles, they grow and are collected by special machines.

Then

, after producing cellulose

by

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in

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pre-processing

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the pre-processing

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stage, it undergoes

to

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apply

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processing with chemicals at

factory

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the factory

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to produce sugars. These sugars are mixed with microbes to produce

ethanol

, which

used

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is used

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as fuel

to

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for

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transportation means. Cars, planes, and different vehicles that use biofuel to operate produce a high amount of

carbon

dioxide

to

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in

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environment

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the environment

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.

Carbon

dioxide

is considered an essential nutrient or source of energy to

plants

, which they use

it

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apply

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with sunlight to grow. The grown

plants

are harvested by special vehicles or methods to go to

pre-processing

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the pre-processing

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stage, where the

plants

are converted to cellulose, which is the project

who

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that

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will undergo to real process. After the processing, sugars are produced. At

this

stage, microbes are added to complete the production of biofuel,

ethanol

. After the

ethanol

is produced, it is used by many different transportation methods. To supply them with energy that

important

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is important

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to operate them,

which

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apply

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they

also

produce

carbon

dioxide

again.