This
series of five diagrams shows how three kinds of organic Linking Words
wastes
(newspapers, grass, and waste food are turned into a chemical mixture or Use synonyms
fertilizer
to be used for garden plants.
A plastic container- two cubic meters in volume-stores these Use the right word
fertiliser
wastes
. On its four walls are three layers of vents for air coming in and going out.
Waste food lies at the bottom of the container and piles up to 15cm in height. On Use synonyms
its
top is grass Correct pronoun usage
apply
which
is Punctuation problem
, which
also
15cm in thickness. Linking Words
Linking Words
Then
shredded newspapers are spread over.
After that, nitrogen is poured in, and water is needed only when it is hot. With the cover tightly closed on the container, the decomposition process of these organic Punctuation problem
Then,
wastes
starts under the effect of heat and Use synonyms
vapor
begins emitting out. The biogas arises continuously from the pile of Use the right word
vapour
the
Correct article usage
apply
Use synonyms
wastes
and Fix the agreement mistake
waste
releases
Wrong verb form
is released
out
.
After six months of fermentation, all the Change preposition
apply
wastes
are Use synonyms
finally
converted into the Linking Words
fertilizer
that can be used in gardens. Use the right word
fertiliser
This
illustrates a chain of chemical reactions that can transform Linking Words
wastes
into compost.Use synonyms