Erg (landform) and western Asia, and Central Australia. In South America, ergs are limited by the Andes Mountains, but they do contain extremely large dunes in coastal Peru and northwestern Argentina. They are also found in several parts of the northeast coast of Brazil. The only active erg in North America is in the Gran Desierto de Altar () that extends from the Sonoran Desert in the northwestern Mexican state of Sonora to the Yuma Desert of Arizona and the Algodones Dunes of southeastern California. An erg that has been fixed by vegetation forms the Nebraska Sandhills (). Sand seas and dune
That's What Love Is Made Of several famous nursery rhymes in this song; in fact, the song's title itself is a variation of the rhyme "What Are Little Girls/Little Boys Made Of?" and parts of this famous rhyme were incorporated into the lyrics of this song, which, like many Miracles songs, starts with the guitar licks of Miracles member Marv Tarplin. Robinson, as the lead singer, serves as the song's narrator: ""You take Sugar and Spice...Everything Nice... and you've got a little girl, yeah, yeah...You take Snakes and Snails...Puppy Dog's tails...and you've got a little boy, yeah, yeah...That's what Love Is Made Of..." " The song