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.
What is the movement of air called? Global winds are composed of three different wind patterns: trade winds, polar easterlies and westerlies. The trade winds are located from 30 degrees latitude, north and south, to the equator. When cooling air sinks, the air flows steadily back down the equator.