The pie chart shows an overview of the world’s total land area with respect to its suitability for agriculture. How could soil that is too dry for agriculture be converted to cropland? How could soil...

The pie chart shows an overview of the world’s total land area with respect to its suitability for agriculture. How could soil that is too dry for agriculture be converted to cropland? How could soil that is too wet for agriculture be converted to cropland? Explain why each of the remaining three categories in the pie chart cannot be converted to agricultural land.