Moai are examples of monoliths. To determine the correct answer, it is essential to have some background knowledge about the subject. Moai refers to the large stone statues found on Easter Island, which is located in the Pacific Ocean. These statues were created by the Rapa Nui people, who inhabited the island. Moai are known for their massive size and unique design. They are carved from a single piece of volcanic rock and stand upright on stone platforms called ahu. As such, they are considered monoliths, which are large single stones or monuments. Therefore, the correct answer to the question is "monoliths."
