Which statements about the woodcarvings made by the Zapotec people in the Oaxaca Valley, Mexico, are true? Choose all answers that are correct. A. Entire families often made them, but they aren't a good source of income. B. They are called alebrijes and are an example of folk art. C. They are carved from copal and other woods using pocketknives and machetes. D. They depict many different subjects, using bright colors and patterns.