The graph below shows the pollution levels in London between 1600 and 2000. Summarize the information by selecting and reporting the main features and make comparisons where relevant.

The line graph demonstrates the pollution level in London between

1600and

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1600 and

2000. It is measured in micrograms per cubic metre.

Overall

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, it is obviously clear that

both

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Sulphur

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dioxide

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and

Smoke

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have

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apply

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started from

lowest

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the lowest

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point and

had

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apply

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fluctuated

at the end

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of the 20th century.

In addition

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,

both

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of them experienced recovery. Clearly, the

Sulphur

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dioxide

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also

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has a significant growth and fall throughout the given period compared to the

Smoke

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. Between 1600 and 1750, they started to increase,

while

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the figure for

Sulphur

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dioxide

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skyrocketed,

Smoke

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increased at a slow pace.

Besides

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, in

this

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time period ,

Sulphur

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dioxide

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and

Smoke

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noted their highest point at 750 and 250

metre

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metres

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,respectively.

Then

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the indicators continued to grow. For the rest of the years, they

both

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continued to increase at a slow pace.

Following

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this

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numbers kept

fluctutating

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fluctuating

until between 1850 and 1900,

where

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when

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sulphur

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dioxide

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reached a high of

approximetely

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approximately

800 micrograms per cub

metres

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metre

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and

pollutuion

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pollution

was caused by

smoke

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which peaked at 450 micrograms per cub

metres

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metre

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. During the 20th century, the levels of

both

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pollutants fell dramatically, though there was a great deal of fluctuation within

this

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fall.

Clearly

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Clearly,

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air pollution was a bigger problem in London in the early 20th century than it is now.