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 step further to your question: The Difference Between Mist, Fog, Smog, Haze And Vog: There are a lot of different names for that stuff that causes reduced visibilityâand an agonizingly long commuteâin the morning. Mist and fog are caused by water droplets in the air, and the only difference is how far you can see. Haze is the reflection of sunlight off air pollution, while smog is what happens when pollution causes low-lying ozone.