http://wifo5-40.informatik.uni-mannheim.de:8890/sparql?query=DESCRIBE%20%3Chttp%3A%2F%2Fwebisa.webdatacommons.org%2F447861439%3E&format=application%2Fatom%2Bxml2024-03-28T15:23:03.352074ZOData Service and Descriptor Documenthttp://webisa.webdatacommons.org/4478614392024-03-28T15:23:03.352074ZAn Earth battery is composed of a pair of electrodes made of two dissimilar metals, such as iron and copper, which are buried in the soil or immersed in the sea.