The diagram shows how a biofuel called ethanol is produced.

Task 1 The picture illustrates the

process

Use synonyms

of making a type of biofuel named ethanol.

Overall

Linking Words

, the

process

Use synonyms

is cyclical, being separated into production and consumption and containing a total of about 7 stages. There are 5 steps in the production of

this

Linking Words

biofuel. The first one initiates with the growth of trees and plants

as a result

Linking Words

of a natural

process

Use synonyms

called photosynthesis. In the next phase, they are harvested with

a special farming machinery

Remove the article

special farming machinery

a piece of special farming machinery

show examples

and

then

Linking Words

followed by the pre-processing stage, which makes biomass turn into cellulose. After that,

this

Linking Words

substance

experience

Correct subject-verb agreement

experiences

show examples

processing

Correct article usage

a processing

show examples

step, when it is broken into sugars. The

last

Linking Words

stage of the production includes adding sugars to microbes, which

subsequently

Linking Words

produces ethanol. In the consumption stage, a wide range of motor vehicles are provided with the produced ethanol as a source of energy. The transports burn and release carbon dioxide into the atmosphere.

This

Linking Words

gas serves as a source of energy for plants and trees to grow, repeating the

process

Use synonyms

.