What does a double note mean when in treble clef?

What are the two ways in which you can identify forms? cones and spheres are examples of (dark/artifical/geometric) forms, whereas mountains and trees are (natural/organic/light) forms.

What type of celebration do the colors in manet’s painting suggest, in contrast to gauguin’s? masked ball at the opera by edouard manet courtesy national gallery of art, washington. breton girls dancing, pont-aven by paul gauguin courtesy national gallery of art, washington search each photo up who ever answers it gets 20 points.

Which greek order has an entable with a three panel architrave and a decorated freize?