We would like to show you a description here but the site wont allow us.. 15937 Greater Groves Blvd is located in Four Corners, FL. Important changes in crystal structure within the mantle occur at 410 and 660km (250 and 410mi) below the surface, spanning a transition zone that separates the upper and lower mantle. [32], There are a number of adjectives for the planet Earth. In 1961 the company acquired Civil & Civic from Bredero's Bouwbedrijf. Earth is about eight light minutes away from the Sun and orbits it, taking a year (about 365.25 days) to complete one revolution. ),