Planting trees is very important for the environment. Some people says trees should be planted in the vacant areas of cities and towns, while other says housing facilities should be build instead. Do you agree or disagree?

The graph illustrates how the amount of

water

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used worldwide changed between 1900 to 2000, while the table shows information about

water

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expenditure by Brazil and Congo in the year 2000. Overall, it is evident that

water

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consumption trend to increase all sectors, whereas the agriculture section increased the biggest amount. In the graph, increasing from around 5000 km3 in the year 1900 to almost 10000 km3 in 1950,

water

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expenditure in the agriculture section

then

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peaked at approximately 3000 km3 in 2000.

On the other hand

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,

water

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used in industrial

use

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and domestic

use

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sections

also

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increased, but consumption was minimal until mid-century. From 1950 onwards, industrial

use

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grows moderately just over 1000 km3 at the end of the century, while domestic

use

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rose more slowly than industrial

use

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to only about 300 km3, both far below the level of consumption by agriculture.

Moreover

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, the table reveals that Brazil, which population was 176 million, used 359 m3

water

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for irrigating land (26500 km2).

In contrast

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, Congo consumed only 8 m3 of

water

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because of lower people (5.2 million) and fewer irrigate land (100 km2).