The graph below shows UK acid rain emissions, measured in millions of tonnes, from four different sectors between 1990 and 2007.

The line graph compares

that

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how many million tonnes of acid rain

emissions

are produced by different categories during a 17-year period in the UK.

It is clear that

,

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the

overall

amount of

emissions

had

been

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decreased mostly because of the fall in

emissions

from electricity, gas, water supply, and other industries,

while

this

amount for two other

secters

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sectors

approximately

remaind

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remained

remain

remains

fixed. In 1990, almost 3.5 million of acid rain

emissions

came from the group

contained

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containing

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electricity, gas and water supply,

however

,

this

amount was just over 2m from other industries and around 0.7m from transportation, communication, and domestic. Over the next 10 years, the figures for two highly acid rain producers fell steadily to under 1.5 million tonnes,

while

we saw some unconsiderable charges in the lines for two other sectors,

Correct pronoun usage

which remaied

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remaied

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remained

under 1m.

This

pattern continued leading to only around 1m tonnes

emissuins

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of emissuins

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from transport and other industries.