elearn site

1. In the Simpson Desert there are different types of  . In the western part of the desert, there is a   of short dunes, mostly less than 10 metres high. Hummock grasses grow in loose sand on the crest and spinifex grows in the corridors between dunes and on the more   slopes.
In the northern part of the desert, the dunes are parallel and separated by   of low, open shrubland. Spinifex   on the slopes of the dunes. These dunes are deep red-brown, but the sand is pale in the area   Queensland, South Australia and Northern Territory meet. Dry salt lakes up to 70 kilometres long and 15 kilometres wide lie between long dunes with crests 20 metres  .