Answer Wiki. Wet Bulb Temperature (WBT) is a measure of how much water vapour is in the air. DBT or the dry bulb temperature is the normal temperature. WBT is the temperature at which a given quantity of air is completely saturated with moisture, when the parc... This page may be out of date.
The Federal Aviation Administration (FAA) is the national aviation authority of the United States.As an agency of the United States Department of Transportation, it has authority to regulate and oversee all aspects of American civil aviation.he FAA has its headquarters in Washington, D.C. as well as the William J. Hughes Technical Center in Atlantic City, the Mike Monroney Aeronautical Center in Oklahoma City, and nine regional offices: 1  Alaskan Region â Anchorage, Alaska. 2  Northwest Mountain â Renton, Washington.
An active plate margin is an actual plate boundary, where oceanic crust and continental crust crash into each other. Active plate margins are often the site of earthquakes and volcanoes. Oceanic crust created by seafloor spreading in the East Pacific Rise, for instance, may become part of the Ring of Fire, the horseshoe-shaped pattern of volcanoes and earthquake zones around the Pacific ocean basin.