What level does the Pokemon Anorith evolve? Seadra is actually the evolved form of Horsea when it reaches level 32. As a water-type Pokemon, Seadra resembles a seahorse with a long snout. Its head, sides and back are covered with spikes, while its torso is covered with cream-colored scales.
Chlorofluorocarbons (CFCs) are a group of compounds which contain the elements chlorine, fluorine and carbon. At room temperatures, they are usually colourless gases or liquids which evaporate easily. They are generally unreactive and stable, non-toxic and non-flammable.
Chlorofluorocarbons and ozone. Many people have heard that the ozone hole is caused by chemicals called CFCs, short for chlorofluorocarbons. CFCs escape into the atmosphere from refrigeration and propellant devices and processes. In the lower atmosphere, they are so stable that they persist for years, even decades.he ozone hole is the region over Antarctica with total ozone of 220 Dobson Units or lower. This map shows the ozone hole on October 4, 2004.