An arch carries the thrust of weight to its with a the horizontal part of the structure supports all the weight above it.

a.
(1) center; (2) post-and-bearing
b.
(1) base; (2) springing line
c.
(1) keystone; (2) groin vault
d.
(1) sides; (2) post-and-lintel

The anwser would be d. i know this i did this semester

An arch carries the thrust of weight to its (1). With a (2), the horizontal part of the structure supports all the weight above it.

a.

(1) center; (2) post-and-bearing

b.

(1) base; (2) springing line

c.

(1) keystone; (2) groin vault

d.

(1) sides; (2) post-and-lintel                  

                                     The Anwser Is D

Monophony monophony means music with a single "part" and a "part" typically means a single vocal melody, but it could mean a single melody on an instrument of one kind or another.( just a short note ) : )hope it

Answer gutzon borglum was both a gifted painter and sculpture;