Erg (landform) when liquid methane rained and eroded the ice bedrock, possibly in the form of flash floods. Alternatively, the sand could also have come from organic solids produced by photochemical reactions in Titan's atmosphere. Erg (landform) An erg (also sand sea or dune sea, or sand sheet if it lacks dunes) is a broad, flat area of desert covered with wind-swept sand with little or no vegetative cover. The term takes its name from the Arabic word "ʿarq" (), meaning "dune field". Strictly speaking, an erg is defined as a desert area that contains more than of aeolian or wind-blown sand
What Love Is Made Of number six. In Belgium, on the Ultratip Flanders chart, it charted at the runner-up position, while on the Scotland singles chart, its peak was at number 33. Directed by Emil Nava, the official music video for "What Love Is Made Of" was released on 29 May 2013. According to Michael Depland from MTV Buzzworthy, the visual takes inspiration from the American action film series The Fast and the Furious, as it delves into "the world of underground of street racing". A behind-the-scenes video for it was released on 14 June 2013. The video begins with a closeup shot of Katy's