Which best describes the physical and chemical digestion of food?

Which best describes the physical and chemical digestion of food? Physical and chemical digestion occur in the mouth; only chemical digestion occurs in the small intestine. Physical and chemicall digestion occur in the small intestine; only chemical digestion occurs in the mouth. Only physical digestion occurs in the stomach; chemical and physical digestion occur in the large intestine. Only physical digestion occurs in the large intestine; physical and chemical digestion occur in the stomach.