What is desertification?
a. method of using desert land for agriculture
b. the process of turning arable land into deserts
c. drying up of stream beds and lakes
d. the expansion of current deserts land areas

Desertification is the process whereby arable lands are turned to deserts, usually as a result of drought, deforestation, or inappropriate agricultural practices. Desertification is a grobal problem which threatens the livelihood of some of the poorest and most vulnerable people in the world.

Desertification is the process whereby arable lands are turned to deserts, usually as a result of drought, deforestation, or inappropriate agricultural practices. Desertification is a grobal problem which threatens the livelihood of some of the poorest and most vulnerable people in the world.

Ibelieve it is the 2nd answer, create gardens on all rooftops. let me know if this .

Its in the national history museum and you can't se the original because its locked away in a vault