In paper chromatography what is used as the stationary phase

¿que tan importantes pueden ser nuestras decisiones en nuestra vida? explicar

Order the events as they occurred in history. thomas edison and william dickson invent the kinetoscope. the view from the window at le gras is created. disney produces flowers and trees, the first color film. stanley kubrick revolutionizes special effects with 2001: a space odyssey. muybridge creates the horse in motion. francis ford coppola’s apocalypse now is selected for preservation by the library of congress. d. w. griffith directs the birth of a nation. marilyn monroe makes her film debut.

What is one of the most effective ways that artists create space in two dimensional art?