The diagram illustrates the circular process of biofuel production. The process
consist
of seven stages, starting with the Change the verb form
consists
Use synonyms
plants
growth and culminating with the addition of microbes.
Change to a genitive case
plant's
plants'
Initially
, sunlight and carbon dioxide, Linking Words
emissioned
from cars, Correct your spelling
emissions
emission
loories
and planes, are absorbed by Correct your spelling
lorries
plants
. These sources Use synonyms
provided
the needed energy for Wrong verb form
provide
plants
and Use synonyms
trees
growth, after which, these Change noun form
trees'
tree's
plants
are mechanically Use synonyms
harvestednand
and processed in two Correct your spelling
harvested
stagespreprocessed
. The first pre-processing stage takes place on the field, where twigs and other parts of the Correct your spelling
stages
plants
are shredded and cellulose is extracted.
Afterwards, the cellulose is transferred to laboratories, where scientists process them and extract sugar from them. In the next Use synonyms
satge
, the final product, namely ethanol, is produced as microbes are added to sugars. Correct your spelling
stage
This
chemical is used as a fuel in different vehicles and produces carbon dioxide as it is burned, making up for one of the plant's energy sources.Linking Words
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