The two pie charts show the percentage of pollutants entering a particular part of ocean in 1997 and 2007. Summarize the information by selecting and reporting the main features, and make comparisons where relevant.

The pie charts illustrate The proportion of

pollutatns

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pollutants

pollutant

which entered

in

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apply

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specific parts of

ocean

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the ocean

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from 7

diffrent

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different

source

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sources

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, air, litter, farm waste, industrial waste, marine, offshore oil,

domestic

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and domestic

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sewage, in 1997 and 2007.

Overall

, It can be seen that the Most

pullutants

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pollutants

came from air in both years. It stayed

steadily

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steady

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over

the

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apply

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time, accounting for around 30

percent

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per cent

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. It followed by the portion of marine trash in 1997,

while

the rate of domestic sewage followed pollutants from

air

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the air

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in 2007. Looking at the graph more closely,

It is clear that

the domestic sewage and offshore oil increased over the year compared to litter and marine rubbish decreased slightly over the period.

Besides

, The rate of

Industial

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Industrial

waste dropped dramatically from 17

percent

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per cent

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in 1997 to 9

percent

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per cent

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in 2007. It

cut

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was cut

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by

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in

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halves throughout the period.

Moreover

,

Other

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Another

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notable feature is the percentage of litter rubbish in 2007, reporting 0

percent

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per cent

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.