title: The biosphere.
mesh_terms: D001272:Atmosphere; D002244:Carbon; D002245:Carbon Dioxide; D055598:Chemical Phenomena; D002621:Chemistry; D004777:Environment; D055593:Geological Phenomena; D005844:Geology; D009791:Oceanography; D010788:Photosynthesis
chemical_list: D002245:Carbon Dioxide; D002244:Carbon