Answer: There are four of them, hope this helped! There is Europe, South America, North America, and Oceania!
The process that forms desert pavement is called deflation.Desert pavement is defined as a surface layer of closely packed or cemented by p<span>ebbles, rock fragments, etc.,</span>
Australia is a major food exporting country. Recent droughts reduced dryland farming production and the volume of water allocated to irrigated agriculture, with a resulting decline in aggregate agricultural production and exports.
Mostly ash, Igneous rocks, molten rock, etc.