It is a powerpoint presentation that discusses about the lesson or topic: Prehistoric Art. It also talks about the definition, history and the process that are included in the lesson about Prehistoric Art.
10. Types of Prehistoric Art
Petroglyphs
Pictographs
Prehistoric Sculpture
Megalithic structures
11. Types of Prehistoric Art
Petroglyphs
Images created by removing part
of a rock surface by incising,
picking, carving, or abrading, as
a form of rock art.