Which Byzantine medium was more important for wall art than painting?

Joachim Patinir was an early specialist in __________

a. portraiture b. genre scenes c. landscapes d. self-portraits

Why was the invention of oil painting considered important to painters in the Renaissance?

a)  Its versatility allowed artists to work more slowly and make changes. b)  It did not change color over time. c)  It introduced a way to create large paintings for public display. d)  Its quick drying time made it more efficient.