<http://purl.obolibrary.org/obo/ENVO_01000556> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://www.w3.org/2002/07/owl#Class> . <http://purl.obolibrary.org/obo/ENVO_01000556> <http://www.w3.org/2000/01/rdf-schema#subClassOf> <http://purl.obolibrary.org/obo/ENVO_01000554> . <http://purl.obolibrary.org/obo/ENVO_01000556> <http://data.bioontology.org/metadata/def/mappingSameURI> <http://purl.obolibrary.org/obo/ENVO_01000556> . <http://purl.obolibrary.org/obo/ENVO_01000556> <http://data.bioontology.org/metadata/def/mappingLoom> "biogas" . <http://purl.obolibrary.org/obo/ENVO_01000556> <http://data.bioontology.org/metadata/def/prefLabel> "biogas" . <http://purl.obolibrary.org/obo/ENVO_01000556> <http://www.w3.org/2000/01/rdf-schema#comment> "This is distinct from natural gas which is a fossil fuel product." . <http://purl.obolibrary.org/obo/ENVO_01000556> <http://purl.obolibrary.org/obo/IAO_0000115> "Biogas is a mixture of different gases produced by the breakdown of organic matter in the absence of oxygen, is primarily composed of methane and carbon dioxide, and may have small amounts of hydrogen sulfide, water, and siloxanes." . <http://purl.obolibrary.org/obo/ENVO_01000556> <http://data.bioontology.org/metadata/prefixIRI> "ENVO:01000556" . <http://purl.obolibrary.org/obo/ENVO_01000556> <http://www.w3.org/2000/01/rdf-schema#label> "biogas"@en . <http://purl.obolibrary.org/obo/ENVO_01000556> <http://purl.obolibrary.org/obo/BFO_0000051> <http://purl.obolibrary.org/obo/CHEBI_16183> . <http://purl.obolibrary.org/obo/ENVO_01000556> <http://purl.obolibrary.org/obo/BFO_0000051> <http://purl.obolibrary.org/obo/CHEBI_16526> . <http://purl.obolibrary.org/obo/ENVO_01000559> <http://www.w3.org/2000/01/rdf-schema#subClassOf> <http://purl.obolibrary.org/obo/ENVO_01000556> . <http://purl.obolibrary.org/obo/ENVO_01000556> <http://data.bioontology.org/metadata/def/mappingSameURI> <http://purl.obolibrary.org/obo/ENVO_01000556> .