If there is little or no up or down motion between notes, or the same pitch happens repeatedly, the melody is considered to have what contour ?

What is the main element that sets western art criticism apart from that of the rest of the world

In russian churches the number of domes usually matches the number of altars. but this church has only one altar dome, and 21 symbolic ones. what normal construction device does this church lack?

So my science teacher said anything that makes noise can in a way make music, instruments make music, and mayonnaise makes sound. so i have a question, do not report. is mayonnaise a instrument?