Whereas the given diagram displays the main causes of agricultural land degradation, the table represents data about impact of the aforementioned reasons to North America, Europe and Oceanida in 1990s.

Whereas

the given diagram displays the main causes of agricultural

land

degradation, the

table

represents data about

impact

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the impact

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of the aforementioned reasons

to

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on

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North America,

Europe

and

Oceanida

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Oceania

in

1990s

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the 1990s

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. Generally speaking,

in

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at

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the worldwide level three main reasons can be called owning the maximum percentages among other causes.

In addition

, the

table

shows that

to

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apply

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Europe

belongs the greatest magnitude of

the

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apply

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degraded

land

and

in contrast

in North America was indicated the minimum per

cent

of

land

becoming worse. Upon initial observation, it becomes evident that the first and main reason

of

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for

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the

land

problem is over-gazing, precisely, it is equal to 35 per

cent

.

Furthermore

,

according to

the

table

, in

deforestation

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the deforestation

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field

Europe

was in

the

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apply

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first place in the list of percentages. Compared to it, in 1990 North America

has

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apply

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indicated the lowest number in the same field and it was

for

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apply

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9.6

percent

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per cent

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less than in

Europe

. A close examination of the

table

revealed that in

Oceanida

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Oceania

the

land

is mostly degraded owing to

the

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apply

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over-gazing

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over-grazing

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, displaying

the

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11.3 per

cent

which was the largest indicator in comparison with other regions respectively. Interesting to notice that the per

cent

of over-cultivation was equal to zero in the same country,

Oceanida

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Oceania

.