While climate change is contributing to the spread of some deserts, poor farming practices and overgrazing by livestock make a big impact, especially in the Sahel south of the Sahara.
There are deserts spread around the deserts of the world in a multitude of time zones and cultures. There is no single answer to this question.
Rattlesnakes live in a variety of habitats including both hot subtropical deserts and cold winter deserts. There are a number of species spread over all the deserts of North America.
Places which get very little rainfall gradually become deserts cutting of trees and overgrazing have increased the spread of deserts areas.
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The deserts are natural however, mans activities can cause them to spread.
Both! There are high concentrations of people in cities found in deserts but in rural areas the population is very spread out.
There is no single world desert. There are about 2 dozen major deserts spread across the earth.
Over utilization of ground water, tree felling and over-grazing are some of the reasons for the spread of deserts.
Deserts (the Sahara) and Water (the Strait of Gibralitar / Indian Ocean).
Desertification is the term for the spreading of deserts. It is best known in the Sahel in Africa below the Sahara.
Like on any other surface, vegetation has a "stabilizing effect" - the roots and leaves, etc. prevent or slow down erosion. In the case of deserts, the slow the rate of dune movement, thus slowing the spread of deserts.
There are no deserts in Maryland.There are no deserts in Maryland.