#Earth's_surface__surface  the outermost level of the land or sea; "earthquakes originate far below the surface"; "three quarters of the Earth's surface is covered by water"
  supertype:  layer  a relatively thin sheetlike expanse or region lying over or under another
  part:  body_of_water  opening.space
  part of:  lithosphere
  subtype:  floor.Earth's_surface  the bottom surface of any a cave or lake etc.

No statement uses or specializes Earth's_surface; click here to add one.