By 2000,an estimated 36 percent of the earth's land was threatened by desertification.This illustrates the problem of __________.

Question

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Desertification refers to land degradation in arid, semi-arid, and dry sub-humid areas, leading to a loss of vegetation and soil fertility. It is a clear example of land degradation, which is caused by a combination of factors such as climate change, overexploitation of resources, and unsustainable agricultural practices.

By 2000,an Estimated 36 Percent of the Earth's Land Was