What are the two kinds of art that were made during the Paleolithic Age and what materials were commonly used to make each type of art during this period

What is the main difference between primary and secondary sources? a. primary sources are historical documents, and secondary sources are modern-day documents. b. primary sources are derived from museums and archives, and secondary sources are created by history students and academics. c. primary sources are found in ancient places with a rich history, and secondary sources are found in historical journals and blogs. d. primary sources are created during a particular historical era, and secondary sources are created by studying primary sources.

The author of the article, arthur brooks, has been president of the american enterprise institute since 2009, an organization committed to protecting free enterprise in the united states.he is the author of several books, including "the road to freedom: how to win the fight for free enterprise."

China fought for the . the soviet union fought for the . italy fought for the . germany fought for the . the united states fought for the . axis or allies