Which nineteenth-century writer declared that "all art constantly aspires towards the condition of music"?

In oil painting, linseed oil acts as:

A. a pigment. B. a ground. C. a border. D. a support. E. a binder.

Which element of the Erechtheion expresses a symbolic connection to a vital segment of the polis?

a) the caryatids b) the Ionic columns c) the sacred spring it encloses d) the asymmetrical design