IELTS Writing

Writing Task 1 · Bar chart

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IELTS Writing Task 1 (Academic)

The bar chart below shows the average concentration of carbon dioxide in the atmosphere, measured in parts per million, recorded at a monitoring station across the four seasons in two different decades.

Average atmospheric carbon dioxide by season (ppm)
0100200300400500CO2 concentration (ppm)WinterSpringSummerAutumn
1990s2010s
0 words · aim 150200

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