1.a
2.b
3.c
4.d
5.a
6.a
7.b
8.c
9.b
10.a,d
A.
not a, since these civilizations were known for beautiful architecture
B.
true
C.
true, but these are not the only possible forms
D.
true (i think)
....so b and c.... and POSSIBLY d
One technique is that the front objects are larger and lower than than the background
He was largely depressed, and tells people to wear black veils, so show that everyone has something hidden within us.