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
A dense layer of cloud lying close to the surface of the ground or water. foggy, fog - Foggy first meant covered with a grass; mossy; boggy, as fog first meant coarse grass and evolved to mean thick, murky in relation to atmosphere. See also related terms for thick.