Crust (geology) enriched compared to the underlying mantle. Although the continental crust comprises only about 0.6 weight percent of the silicate on Earth, it contains 20% to 70% of the incompatible elements. All the other constituents except water occur only in very small quantities and total less than 1%. Estimates of average density for the upper crust range between 2.69 and 2.74 g/cm and for lower crust between 3.0 and 3.25 g/cm. Earth formed approximately 4.6 billion years ago from a disk of dust and gas orbiting the newly formed Sun. It formed via accretion, where planetesimals and other smaller rocky bodies
It'z Just What We Do It'z Just What We Do It'z Just What We Do is the second EP by American country music duo Florida Georgia Line. It was released in May 2012, by Big Loud Mountain. All five songs from the album later appeared on their debut studio album, "Here's to the Good Times" (2012). Jessica Nicholson of "Country Weekly" gave the album a very positive review, saying that "Newcomers Brian Kelley and Tyler Hubbard of Florida Georgia Line first met while students at Nashville’s Belmont University, and melded their diverse musical backgrounds to create their first five-song EP. No softhearted love songs here,