Main Page | See live article | Alphabetical index see also soil, classical elements, Chinese five elements, earth (electricity). Earth (planet) - See Earth Earth (soil) - see soil Earth (element) - one the of the four classical elements, - see also Chinese five elements Earth (electricity) - see earth (electricity). The soil of the Earth is used as a terminal in electricity supply systems This article is from Wikipedia. All text is available under the terms of the GNU Free Documentation License.