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.
The graph below shows the contribution of three sectors- agriculture, manufacturing, and business and financial services- to the UK economy in the twentieth century.
The bar chart shows the distribution of employment among agriculture, services, industries in three countries in 1980 and projected distribution in 2020.
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.