Why is so little known about prehistoric art? discuss some of the challenges in learning more about these pieces.

Because its hard to depict what they mean because og the culture and because its hard to study it due to its conditions .!.

This sounds like a personal reflection on something you did. it is asking the hardest part, or a part you may have struggled with on an informal interview you must have done. it is also asking advice you'd give someone else for the process of completing an informal interview, so you should write something that would . for example, maybe the first thing they should do, something they should include.