Do this really work?

According to the hierarchy of chords, fill in the missing chord in this progression. i - iv - - i?

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?

According to the my-plate plan which foods should be te smallest portion of a teens diet