To create this piece, the painter used his/her fingers and ________(1)________ fiber brushes to apply reddish pigment made from ________(2)________. a. (1) horse tail; (2) basalt b. (1) yucca; (2) iron-oxide c. (1) animal; (2) sulfur d. (1) cotton; (2) charcoal Please select the best answer from the choices provided