The oldest known type of arch is the ?

Type the correct answer in the box. spell all words correctly. what did german psychologists develop in the 1920s to describe how people tend to organize visual elements into groups? describe how people tend to organize visual elements into groups, or unified wholes, when applying certain principles.

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?

What is the best economic system socialism or capitalism