The line graph indicates the UK acid rain emissions over 17 years

The line graph provided reveals the tones of acid rain discharge=emissions in terms of four sectors(electrics, others, and so on)in Britain areas from 1990 to 2007.

Overall

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,

it is clear that

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the data of the three sectors experienced a downward trend. And the total amount of acid rain emissions went down over a period of 17 years. The figure for xx remained stable, without too many changes. In 1990, the number of some was by far the highest, at approximately 3.2

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. The blue and light blue showed a similar decline, with slightly above 2

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and around 0.6 MTrespectively. What’s more, the dark blue stayed steady between 0.5 and 1 over the 17 years.

However

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, the discharge of the purple line had a significant decrease, reaching about 0.5 million tonnes, almost reducing by 3 in 2007. The number fell down under the blue line in 1996, and under the dark blue in 2003. By 2007, 1.2

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of other industries were released mostly, compared to the least the light blue produced merely a rough 0.3

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.