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 1900s

The bar pie chart depicts the major reason of what are

causes

Use synonyms

of worldwide

land

Use synonyms

degradation

Use synonyms

and impacting on agricultural

land

Use synonyms

which becomes less productive. The table illustrates the proportion of these three major reasons

Use synonyms

land

Change preposition

for land

show examples

degradation

Use synonyms

in 3 different countries during the 1990s.

Overall

Linking Words

the proportion of 3 major

causes

Use synonyms

(over-grazing, deforestation, and over-cultivation) was around one third with only 7% of it being other

causes

Use synonyms

. In 3 different countries, the percentage differs for each

Use synonyms

causes

Change to a singular noun

cause

show examples

. Europe is the one having the most

land

Use synonyms

degraded about 23%, more than two-fifths compared to Oceania, and above one-fourth compared with North America. The main

causes

Use synonyms

Use synonyms

land

Change preposition

of land

show examples

degradation

Use synonyms

in North America was over-cultivation,

while

Linking Words

in Europe is deforestation,

on the other hand

Linking Words

of these 2 countries, Oceania's major reason for

land

Use synonyms

degradation

Use synonyms

is overgrazing.