Please rate each and every single pic on it's own. (?/100)

(friends make me do this -.-)

Look at this painting by leonardo da vinci. this painting demonstrates da vinci's use of which of these to enhance the emotion of a painting

Ineed some on finding music. i have a nephew who is into rap, but when i find a rap song, it seems to either be too old for his taste or to him it isn't good enough. can someone suggest some good music for me to see if he likes it or not?

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