The four sources of calories are

a. carbohydrates, fats, sugars, and cholesterol.
b. carbohydrates, proteins, fats, and sugars.
c. carbohydrates, proteins, fats, and alcohol.
d. carbohydrates, fiber, fat, and vitamins.

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