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  1. Methane - Wikipedia

  2. Methane | Definition, Properties, Uses, & Facts | Britannica

  3. Methane - NIST Chemistry WebBook

  4. Methane (CH4) - Definition, Structure, Properties & Uses with …

  5. Methane - NIST Chemistry WebBook

  6. Methane | CH4 | CID 297 - PubChem

  7. Methane - Purdue University

  8. Methane Formula - Softschools.com

  9. Methane | CH4 - ChemSpider

  10. Methane - Simple English Wikipedia, the free encyclopedia