Which statements about Ancestral Pueblo petroglyphs are true?

Ancestral Pueblo petroglyphs, primarily found in the southwestern United States, are rock carvings created by the Ancestral Puebloans, also known as the Anasazi. These petroglyphs often depict animals, human figures, and abstract symbols, reflecting the cultural, spiritual, and daily life of the people. They are believed to have served various purposes, including storytelling, marking territory, or expressing spiritual beliefs. Many of these petroglyphs are located in protected areas, highlighting their significance as cultural heritage sites.