Abundance of the chemical elements in the Sun and outer planets is similar to that in the universe. Due to solar heating, the elements of Earth and the inner rocky planets of the Solar System have undergone an additional depletion of volatile hydrogen, helium, neon, nitrogen, and carbon (which volatilizes as methane). The crust, mantle, and core of the Earth show evidence of chemical segregation plus some sequestration by density. Lighter silicates of aluminum are found in the crust, with more magnesium silicate in the mantle, while metallic iron and nickel compose the core. The abundance of elements in specialized environments, such as atmospheres, or
Miss Earth 2005 Mother Nature, water or air, which would you choose and why?" Winning answer: "The four elements are important but air is the most significant because it gives us life and it’s what we breathe." – Alexandra Braun, representing Venezuela Countries and delegates that participated in Miss Earth 2005: Numerous contestants appeared in other pageants. These include: Miss Earth 2005 Miss Earth 2005, the 5th edition of the Miss Earth pageant, took place on 23 October 2005 in Quezon City, Philippines. A total of 80 candidates from around the globe took part in the event. At the conclusion of the pageant,