The line graph illustrates the changing levels of
pollution
Use synonyms
due to
Linking Words
smoke
and Use synonyms
sulphur
Use synonyms
dioxide
in London between the years 1600 to 2000.
From the data provided in the graph, we can see that the trends experienced over time by both Use synonyms
smoke
and Use synonyms
sulphur
Use synonyms
dioxide
are very similar. Use synonyms
Overall
, both pollutants rise and fall in the same years.
Beginning in the Linking Words
year
1600, the Use synonyms
pollution
caused by Use synonyms
smoke
and Use synonyms
sulphur
Use synonyms
dioxide
was negligible after which it began to rise. Up to around the Use synonyms
year
1720, Use synonyms
sulphur
Use synonyms
dioxide
found in the atmosphere had risen drastically, from 50 Use synonyms
micrograms
before 1600 to over 750 Use synonyms
micrograms
in 1720. Use synonyms
Similarly
, Linking Words
smoke
Use synonyms
also
increased somewhat, from just under 50 Linking Words
micrograms
to around 240 Use synonyms
micrograms
in 1720.
Use synonyms
After
Linking Words
this
, the magnitude of Linking Words
pollution
continued to increase for the most part, up until 1880. The Use synonyms
pollution
caused Use synonyms
due to
Linking Words
sulphur
Use synonyms
dioxide
reached the maximum in the Use synonyms
year
1850 (approximately 900 Use synonyms
micrograms
per cubic metre) Use synonyms
while
the highest amount of Linking Words
pollution
caused by Use synonyms
smoke
was around the Use synonyms
year
1900 (approximately 500 Use synonyms
micrograms
per cubic metre). It was only after 1900 that the levels of Use synonyms
pollution
started decreasing and reached nearly 0 by the Use synonyms
year
2000.Use synonyms
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