In the united states, the copyright for works produced after 1978 is how long?

Match each of these art forms with the region of americas where they were commonly produced. elaborate headdresses nazca lines carved hieroglyphs wooden ceremonial masks the pacific north west mesoamerica the great plains the andes

Indian architects worked with construction techniques? a. concrete b. skeleton c. stone and wood d. post-and-lintel only answer if you are 100% positive your answer is correct! 10 points!

The five possible reasons explaining why art may be created are