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

The illustration demonstrates the

ethanol

Use synonyms

or biofuel production

process

Use synonyms

.

Overall

Linking Words

,

ethanol

Use synonyms

is

the

Correct article usage

a

show examples

biofuel made from only

plants

Use synonyms

.

Ethanol

Use synonyms

is produced for powering many types of vehicles. Interestingly, the carbon dioxide from transport will return to the atmosphere and will be used by

plants

Use synonyms

and

trees

Use synonyms

for photosynthesis.

First,

Linking Words

plants

Use synonyms

and

trees

Use synonyms

produce their own

energy

Use synonyms

from the

process

Use synonyms

called photosynthesis. Sunlight and carbon dioxide are involved in the

energy

Use synonyms

production

process

Use synonyms

. When they are grown enough,

plants

Use synonyms

,

trees

Use synonyms

, and other crops are harvested. They will pass

pre-processing

Correct article usage

the pre-processing

show examples

process

Use synonyms

, and cellulose is produced.

Next,

Linking Words

the cellulose will be broken down into smaller molecules.

This

Linking Words

is

Use synonyms

process

Add an article

a process

the process

show examples

with

chemical

Fix the agreement mistake

chemicals

show examples

in order to make other types of sugar.

Then

Linking Words

, sugars are digested by microbes or enzymes to produce

energy

Use synonyms

, and at

this

Linking Words

stage

Add a comma

stage,

show examples

ethanol

Use synonyms

is made as the byproduct, which will be used for all sorts of vehicles.

Finally

Linking Words

, the carbon dioxide from transport will be released into the atmosphere, and

trees

Use synonyms

will use it to generate

energy

Use synonyms

for growing and returning to

the

Correct article usage

apply

show examples

ethanol

Use synonyms

production.