conservation for art is "preserving, fixing, or just restoring old art or other things like artifacts etc." (found in an article on www.msaconservation.com) it's most likely controversial because if something's old and valuable, people want to keep it in it's original form. (just a guess) but that's how it is in the art world.
1- A huge and complex subject - but well covered in the literature
2- Raises economic issues
3- Raise creative issues
4- ................
Sorry for the last one , I don't remember it but I hope that these tree help you my friend !
<span>Disc jockeys i think is the answer </span>
Answer:
one was in the past and one is now the present they used rocks and other objects to do art . they are both art . what we use now is papaer and paint brushes and other materials
Explanation: