has part has part has_part located in located_in output of output of composed primarily of liquid water atmosphere condensation process water-based cloud droplet fog A visible mass of cloud water droplets or ice crystals suspended in the air at or near the surface of an astronomical body. Fog is more opaque than mist, reducing visibility to under one kilometre. This class refers only to fog formed by materials primarily composed of water. "Fog can be considered a type of low-lying cloud and is heavily influenced by nearby bodies of water, topography, and wind conditions. In turn, fog has affected many human activities, such as shipping, travel, and warfare." https://en.wikipedia.org/wiki/Fog haar envoCryo water ice crystal aerosolised liquids atmospheric aerosol