The graph below shows the pollution levels in London between 1600 and 2000.
The given line graph illustrates the contamination degrees in London during the period from 1600 to 2000.
Overall
, a brief assessment of the data reveals that the amount of sulphur dioxide emission was higher than the smoke level over the whole time frame, with the exception of 1950.
To begin
with, started
at just under 250 Wrong verb form
starting
micrograms
per cubic metre, the figure of sulphur dioxide had increased approximately twice by 1650. Meanwhile, it started to fluctuate from 1700 at about 700 micrograms
to 1900 at roughly 850 micrograms
per cubic metre. From this
, the emission value kept falling down with insignificant oscillations to the
zero in 2000.
Regarding the smoke level, it was growing quite gradually from just under 50 Correct article usage
apply
micrograms
at the beginning to about 350 micrograms
per cubic metre in 1850. The figure then
slightly climbed before 1900 (by around 100 micrograms
) and continued diving, similar to the sulphur dioxide, to the end of the given period.Submitted by kolesnikova2123 on
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