The process by which formerly fertile regions become arid and unusable for farming is called __________.

Salinization commonly occurs when __________ is used to __________.

Which of the following is not an issue typically associated with desertification?

__________ is an example of desertification.

In the process of salinization the earth is rendered infertile by excess deposits of __________.

Which of these regions has the highest percentage of degraded agricultural land?

In which decade was the American Drought Relief Service created by the federal government?

Desertification is a growing problem in the world today. As humans affect climate change, they affect the deserts of the world. Desertification causes many problems as arable land is being taken over by deserts.

Which of the following regions has the highest percentage of land affected by desertification?