Which painting did artist use symbols to communicate the relationship between nature and humans?

Which element refers to musically depicting the emotion in the words of a musical piece?

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?

Look at the following artwork. how does it reflect the artistic style of surrealism? why did surrealist pieces, which used conventions similar to those in this picture, become popular during the 1920s and 1930s?