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 compare data about the percentage of

ocean

pollutants between 1997 and 2007 from different sources

such

as Air , farm

waste

, industrial

waste

, domestic sewage , offshore oil and marine.

Overall

, it is important that air pollution is the major factor for our

ocean

so far

while

reduced by %1 in 2007 only ; second , sewage rose modestly more than %40 in 10 years which gives us a red alert for our water quality in the near future; another notable point that litter was 0 impact for the

ocean

in 2007 when it was %4 in 1997;

moreover

, Offshore oil were increased by almost 3x and reach to the peak by %14;

on the other hand

, the industrial

waste

has been decreased more than twice within 10 years and get the lowest percentage at 9 ;

similarly

, marine

also

was less effect in 2007 compare to 1970 by %5. In conclusion, by

summing

Replace the word

sum

show examples

up these points air pollution and sewage were the main reasons for

ocean

pollutants and our earth

while

farm

waste

, litter , and marine had less impact in 2007 which is great news for our

ocean

.