#natural_process__naturalproces__natural_action__naturalaction__action__activity  a process existing in or produced by nature (rather than by the intent of human beings); "the action of natural forces"; "volcanic activity"
  subtype:  radiation.spreading  absorption  acidification  aeration.natural_process  antiredeposition  nuclear_particle_capture  satellite_capture  centrifugation  chemical_process  chromatography  concretion  condensation.natural_process  convection.natural_process  curdling  decay  demagnetization  desorption  diffusion  disintegration  distillation  drift  effervescence  electrophoresis  ecesis  extinction  extraction.natural_process  feedback.natural_process  filtration.natural_process  flocculation  flow  formation.natural_process  fossilisation  fractional_process  geological_process  solidifying  ignition  induction.natural_process  ion_exchange  ionization  leach  magnetization  nuclear_reaction  opacification  organic_process  oscillation  oxygenation  pair_production  phase_change  precession_of_the_equinoxes  release.natural_process  saltation.natural_process  scattering  sericulture  soakage  softening  sorption  rigidifying  stimulation.natural_process  ecological_succession  survival_of_the_fittest  synergy  temperature_change  transduction  transpiration  vitrification
  supertype:  process__proces  a sustained phenomenon or one marked by gradual changes through a series of states; "events now in process"; "the process of calcification begins later for boys than for girls"
     supertype:  phenomenon  any state or process known through the senses rather than by intuition or reasoning
        supertype:  process__proces__physicalsituation  intuitively, the class of things that happen and have temporal parts or stages; examples include extended events like a football match or a race, actions like pursuing and reading, and biological processes; sumo#process is not identical to pm#situation because an instance of pm#situation is not necessarily an instance of sumo#physical
           supertype:  situation  something that "occurs" in a real/imaginary region of time and space
              supertype:  thing__something___T__t___3D_or_4D_thing_or_anything_else  any category (type or individual) is instance of this type; any type is also a subtype of this type
           supertype:  process_or_process_description
              supertype:  processing_thing
                 supertype:  thing_playing_some_role  category to classify things according to roles/viewpoints; classification under this category is application-dependant
                    supertype:  thing__something___T__t___3D_or_4D_thing_or_anything_else  any category (type or individual) is instance of this type; any type is also a subtype of this type
           supertype:  physical__physical_thing  an entity that has a location in space-time; locations are themselves understood to have a location in space-time; click here for more details on the identical category sowa#physical_thing
              supertype:  thing__something___T__t___3D_or_4D_thing_or_anything_else  any category (type or individual) is instance of this type; any type is also a subtype of this type

1 statement is about an indirect instance of natural_process (absorption): graph1_on_absorption
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