Labor certification is  a United States of America immigration process step. Its stated goal is to protect U.S. workers and the U.S. labor market by ensuring that foreign workers seeking immigrant visa classifications are not displacing equally qualified U.S. workers..
Confidence votes 24.1K. Local winds are caused by unequal heating within a small area. Global winds are created from all around the Earth due to breezes that make Wind. See nasa.gov/nasatv. Local winds are caused by unequal heating within a small area. Global winds are created from all around the Earth due to breezes that make Wind.
Winds are part of Earth's atmospheric circulation. Play media. Global surface wind vector flow lines colored by wind speed from June 1, 2011 to October 31, 2011. Prevailing winds are winds that blow predominantly from a single general direction over a particular point on the Earth 's surface.inds are part of Earth's atmospheric circulation. Play media. Global surface wind vector flow lines colored by wind speed from June 1, 2011 to October 31, 2011. Prevailing winds are winds that blow predominantly from a single general direction over a particular point on the Earth 's surface.