Middle see so does get its name from its position between the bass and treble clef’s that make up the typical grant staff
Express the emotion within a scene
14 is either a or b 15 is b 16 is a I am pretty sure
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.