I need a guy bs 13 and a girl so pls dont be older than 15

What types of visual art mediums are heavily based on observation?

Nprintmaking, what term is used for the object on which the artist creates a design

The opening section sounds marchlike, with accented beats and alternations between instrumental groups. eventually, a total change of character marks a short, new section. at approximately which time interval from the beginning does this appear?