Which is an example of a found instrument

a. steel drum

b. old violin

c. flute

d. timpani

Where is the famous mona lisa painting housed?

In the ninteenth century, why was it more nessesary for art to provide accyrate represemtations of life and objects

Riddle me this: i am first in earth, second in heaven, appear two times in aweekyou can only see meonce in a year, althoughi'm in the middle of sea. what am i?