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.
Section 3 Air Movement and Wind Key Concept Global winds and local winds are produced by the uneven heating of Earthâs surface. What You Will Learn â¢ Uneven heating of Earthâs surface by the sun causes differences in air pressure that cause wind. â¢ Wind patterns can be global or local and are influenced by the rotation of Earth and by geography. Why It Matters