Answer:
Well, if this was in the art subject, then it will be Beats Per Measure. Hope this helps
I believe the correct answer is D. <span>The man is of old-age because all great philosophers in history have been elderly.
I don't think that Da Vinci had this in mind when he created this work of art. First of all, because not all philosophers in history have been elderly - there were some young ones, so this statement doesn't really make much sense as to why he would portray his character like that.</span>
The element of art you are looking for is "Volume"
Reason:
the rise of nation-states as defining social and geographic entities
increasing geographic and social mobility, with more people moving to cities & the growth of a literate middle class,
new technologies dependent on power from fossil fuels (trains, steamships, industrial printing)
longer life-spans and rising standards of living enable ideas or values including individualism, imagination. idealization of childhood, families, love, nature, and the past.