a landscape painting of mountains, hills, trees, and rocks in red, violet, blue, and green Mesa Rossa. Georgia O'Keeffe. 1917 C.E. Watercolor and graphite on paper. © Mondadori Electa / Learning Pictures / Universal Images Group / ImageQuest 2021 What medium did Georgia O'Keefe use to create Mesa Rossa? (3 points) Pastels and graphite on paper Pastels and charcoal on paper Watercolor and graphite on paper Watercolor and charcoal on paper