The flowchart provides key information on the process of producing biofuel which is 
ethanol
.
Use synonyms
Overall
, it is clear from the chart that manufacturing Linking Words
ethanol
 is a cyclic operation that requires several steps starting from growing plants and Use synonyms
trees
, harvesting them using Use synonyms
special
 device and entering the pre-process level, Add an article
a special
ending
 with processing Correct word choice
and ending
ethanol
 by adding certain ingredients to manufacture biofuel.
Use synonyms
According to
 what is shown, the operation Linking Words
begin
 with crushing plants and Change the verb form
begins
trees
 to extract the carbon dioxide from Use synonyms
trees
. After that the pre-processing level starts, they Use synonyms
breakdown
 the crushed part of Correct your spelling
break down
Use synonyms
trees
 to reach the extraction level and use Correct article usage
the trees
tree’s
 cellulose in processing Correct article usage
the tree’s
ethanol
.
In terms of Use synonyms
processing
 phase, once cellulose Correct article usage
the processing
turned
 into sugar they Add a missing verb
is turned
subsequently
 add microbes so that Linking Words
ethanol
 Use synonyms
be
 ready to use. The fuel of transportation methods Correct subject-verb agreement
is
are 
depend on Unnecessary verb
apply
ethanol
 Use synonyms
such
 as planes, trucks and cars. The modes that society Linking Words
use
 for transportation Correct subject-verb agreement
uses
imposeed
 carbon dioxide which Correct your spelling
imposed
impose
affect 
positively on plants and Verb problem
apply
trees
 growing.Use synonyms