Which of the following was the Hellenistic astronomer whose geocentric model of the cosmos was put in danger by the Scientific Revolution?

What oil-painting technique did Jan van Eyck use in Giovanni Arnolfini and His Wife Giovanna Cenami that is particular to Northern Renaissance painting?

a. a smooth surface that does not show brushstrokes b. subject matter that was relevant to the commercial interest of the region c. the inclusion of the wealth of the couple d. the presence of symbolic images connected to the current state of the Church

Which of the following is to the sonata form what free verse is to the sonnet?

A. rhapsody B. rondo C. nocturne D. fantasia