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 illustrates that love is never easy, consisting of good times, bad times, heartbreak, jubilation, breakups and makeups ..."That's What Love is Made Of". While Tarplin plays and Robinson sings the lyrics, the other Miracles (Bobby Rogers, Ronnie White, Pete Moore and Claudette Robinson, answer in classic call-and-response style. The Miracles performed this song before a live audience at the "Santa Monica Civic Auditorium" on the 1964 American International Pictures film, "The T.A.M.I. Show". Present on stage were Robinson, Tarplin, Rogers, White and Moore. Although present on the original recording, Claudette Robinson, who was married to Smokey Robinson, was not present