the pie chart below shows the main reasons why agricultural land becomes less productive. the table shows how these causes affected three regions of the world during the 1990s summarise the information by selecting and reporting the main features and make comparisons where relevant

The given pie chart depicts the essential

reasons

(in

percentage

) why agricultural

land

becomes less productive in four categories (over-grazing, deforestation, over-cultivation, and other

reasons

),

while

the provided table illustrates the

percentage

of how these

reasons

affected three regions, namely North America, Europe, and

Oceania

during

1990s

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the 1990s

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. Generally, the most impactful

reasons

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reason

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that made agricultural

land

became

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less productive was over-grazing, yet, the lowest was other

reasons

. Meanwhile, Europe had the biggest

percentage

of

land

degraded, but

Oceania

had the smallest.

To begin

with

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with,

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over-grazing had the highest impact

to

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on

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less productivity of agricultural

land

at 35%. It was

also

the main

reasons

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reason

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that caused

land

degradation

in

Oceania

.

However

, other

reasons

got the lowest

percentage

at 7%.

Moreover

, deforestation was in

the

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second place with 30%, followed by over-cultivation with 28%.

In addition

, Europe had the biggest

land

degradation

with 23%. It is caused mostly by deforestation (9.8%).

In contrast

, North America had the smallest

land

degradation

. The most essential

reasons

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reason

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of

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for

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land

degradation

in North America was over-cultivation (3.3%).

Additionally

, the total

land

degraded in

the

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Oceania

was 13%.