What is group structure?

2. what is von petzinger really interested in finding out through her studies in cave art?

In areas where even the experts disagree; everyone has a right to his own opinion. i mean if answers aren’t given just like in lots of things; then it has to be just anyone’s opinion. is this dualism multiplicity relativism or commitment

The "neo-impressionists." as they were called at the time, believed that is the proper subject for their painting