No, deserts or parts of deserts can be several thousand feet in elevation.
The Atacama Desert of South America has elevations that run from sea level at the Pacific to over 7000 feet in the interior plateau. The Namib Desert of Africa has elevations that range from sea level along the Atlantic coast to the interior Great Escarpment at over 6000 feet.
There are not enough plants
No, the Brazilian and Guiana highlands are low mountain ranges - not deserts.
England has no true deserts.
Generally low precipitation
Some deserts have low elevation, some have a rather high elevation. Not all deserts have a low altitude.
The average elevation of the Atacama is 2400 meters or about 7874 feet above sea level.
Most deserts have low populations densities.
Plains can have either a high or low elevation.
since badlands are low lands therefore they have a low elevation(i think...)
Clouds do not precipitate in deserts due to low pressure. Clouds do not precipitate in deserts due to low pressure.
No. Height varies widely. There is even a formal division between high deserts (above 2,000 ft) and low deserts.
There are no deserts in Mississippi. The highest point of elevation in Mississippi is Woodall Mountain at 806 feet above sea level.
The low level elevation is called the lowlands and that is what i learned in my geo class
The elevation of a plateau is high.
Any low elevation areas, most notably Phoenix and the surrounding "Valley of the Sun".
Your question is redundant. All deserts are classified as deserts because of the low precipitation.