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IELTS 6 Test 1 Task 1

The line graph plots global water use by sector from 1900 to 2000, while the table gives information on water consumption in Brazil and Congo in 2000.

From the graph, it can be seen that agriculture used significantly more water than the other two sectors industry and domestic use throughout the 20th Century, and that water consumption increased exponentially for all sectors. The table shows that Brazil’s population, irrigated land, and per capita water consumption dwarfed those of Congo.

From 1900 to about 1950, the world’s water use for farming rose gradually from 500km3 to 1000km3, while that for the industrial and domestic sectors hardly moved from below 100km3 and 50km3 respectively. Over the second half of the century, all three sectors increased exponentially such that agriculture had trebled to 3000km3, and industrial and domestic water consumption had soared to 1200km3 and 400km3.

In 2000, Brazil’s population at 176 million was around fifteen times higher than that of Congo (5.2 million). Similarly, it irrigated over twenty six times more land (26,500km3 compared with 100km3 in Congo). Meanwhile, the average Brazilian citizen consumed almost 50 times more water (359m3) than the average Congo citizen (8m3) in that year.

(197 words)

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