What new ideas and techniques resulted in more realistic and accurate portrayals of people in renaissance paintings?

Which statement about landscapes by thomas cole, vincent van gogh, shen zhou, and ansel adams are true? choose all answers that are correct.

Suppose that you are in a room with 3 doors and a crack in the ceiling for light. that is all. the doors each have a sign on them that says what there is behind them. door #1. a pool of corrosive acid. door #2. a crocodile that hasn't eaten in 8 months. door #3. a solar "oven". a giant lens that focuses all the sunlight at the entrance of the door. you must choose a door, which door do you choose?

Explain briefly why it's to choose a chord progression before developing the harmony.