User:Quote Veteran/TWA/Earth/2


 * Shape and structure: circumference


 * Tectonic plates (empty).svgnic plates: plate tectonics (just the first mention)


 * Surface: urbanisation


 * Atmosphere: methane


 * Weather, climate, and water cycle: convection


 * Global View of the Arctic and Antarctic.jpgTop of Atmosphere.jpgHydrologicalCycle1.pngNorth season.jpg and rotation: Orion Arm