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

The given process illustrates the

production

Use synonyms

of a biofuel which is

also

Linking Words

named

as

Change preposition

apply

show examples

ethanol

Use synonyms

. Generally speaking,

this

Linking Words

formation undergoes several stages to be fully formed, which starts with the growth of trees and plants, ending up with chemical adds. The vital source for the creation of

ethanol

Use synonyms

is energy, which is released from both sunlight and carbon dioxide. After harvesting, most of the

crop

Fix the agreement mistake

crops

show examples

are stored in a machine, that grinds the crop into even small pieces.

This

Linking Words

step is called, pre-processing,

as well as

Linking Words

at the later stages the process goes under chemical experiment. Moving on

the

Change preposition

to the

show examples

next part, cellulose is likely to

the

Add a missing verb

be the

show examples

vital step of the

production

Use synonyms

, since it is the result of the pre-processing stage

,

Remove the comma

apply

show examples

and the starting point of the chemical way in the

production

Use synonyms

of

ethanol

Use synonyms

. During

this

Linking Words

step, sugars are formed and microbes are added to the substance, so after

ethanol

Use synonyms

can be fully created.

In addition

Linking Words

to that,

ethanol

Use synonyms

is essential in

using

Verb problem

apply

show examples

transports

Fix the agreement mistake

transport

show examples

, and

this

Linking Words

usage emits carbon dioxide which

is

Change the verb form

also plays

show examples

also

Linking Words

plays a vital role in the

production

Use synonyms

of

ethanol

Use synonyms

.