Wind is air in motion. It is produced by the uneven heating of the earth's surface by the sun. Since the earth's surface is made of various land and water formations, it absorbs the sun's radiation unevenly.
C. The site of an ancient battle
Because archeologists dig up old artifacts
The Incas had a centrally planned economy, perhaps the most successful ever seen. Its success was in the efficient management of labor and the administration of resources they collected as tribute. Economic exchanges were made using the barter system by which people traded with each other for things they needed.
:<span>Leslie loved clothes and hoped to become a designer, so she quit her job at the convenience store and moved back to her parents' home in Arizona.</span>
