When did Paleolithic start?

What were tribulites? Who invented ivory soap? Cave dwelling dwarf or giant of Norse mythology? What was Johnny Quest's Indian friend's name? When did the australopithecus afarensis live? What adhesive can glue stones on a cow skull? What was the name of the prehistoric shark that lived in the great lakes and when did it go extinct? Is Mammoth Cave one of the natural wonders of the world? Why do mammoths eat grass? What method did hunter-gatherers use to hunt large animals? Who first made peanuts? How much jaw pressure do turtles have? What tools did the Victorians use? Early man's weapons pictures? What does preed mean? What is a Siberian mammoth? When was Lynx first born? What is a fossil fuel often found with petroleum? What des Zeus do to punish Odysseus men for harming the sacred cattle? What was the only domesticated animal in North America in 1475 BC?