Ключевые слова: atmosphere, composition, core, crosssection, crosssection view, crust, dramatic, earth, earth science, earth structure, ecosystem, education, environment, formation, geology, geology concept, geology study, illustration, landscape, layers, majestic, mantle, minerals, mountain, mountain range, nature, rock, scenic, science, sediment, strata, structure, surface, tectonic, terrain, topography, underground, volcanic,