Some people think that it is better to live in vertical city (mean that people work and live in high buildings) while others think a horizontal city is better. Discuss both views and give your opinion.

The pie chart presents the major causes that make land degraded and the table provides information about the key factors in three different continents (North America, Europe, Oceania) in 1990s. Overall, it can be seen in the pie chart that most of agricultural degraded land cause by over-grazing and

deforestation

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.

In addition

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, the table shows that European people suffered from

this

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problem more than other areas considered. Regarding the worldwide causes, over-grazing and

deforestation

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together account for 65%. Being the largest

number

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,

percentage

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of over-grazing comprise of 35%.

Additionally

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,

the

Suggestion

the amount

number

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of

deforestation

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, which is the

second

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largest one is 30%. Considering the regional causes, Europe was the continent that most suffered from

this

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issue with the

percentage

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of 23%;

on the other hand

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, the

number

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of North America was the lowest with the

number

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of 5%. 9.8% represents the

percentage

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of land degraded by

deforestation

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, which was the greatest factor in Europe. The largest cause of

this

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in North America was over-grazing with the

percentage

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of 3.3%