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
What Love Is Made Of The song was ultimately excluded from Katy's second studio album, entitled "Little Red". During an interview with "Clash", Katy was asked about why she had not included the song in the album's track listing. To that question, she responded: "I just felt that I wanted to put some music out there, really. Like, 'Aaliyah' from "Danger EP" is on the album, but I loved collaborating with Jessie Ware. But ["What Love Is Made Of"] means a lot to me [too], so I wanted to get it out there, regardless of whether it was on the album." Having a length of