Acquired Reactive Perforating Dermatosis Last updated July 12, 2017 Reactive Perforating Collagenosis (RPC) is a very rare skin disorder that can manifest during early childhood or adulthood.
Fog is a mixture because it is an aerosol of water droplets or ice crystals in air. Fog can also contain molecules of acids or ammonia. Continue Reading
See Also: MIST. 1  A churning mass of fog was welling up from the sea like a tidal wave âJohn Dos Passos. 2  Fog closed in like a long sigh âGeorge Garrett.  Fog â¦ dissolving into the sky like milk in water âRoss Macdonald.