The answer is
<span>C: Royal and religious regalia figures were mostly made of terracotta.</span>
I'm not sure what the question is here, but yes that is true.
Abel is not one of the descendants of Seth
Cuneiform was the written system of the c)Sumerians. Cuneiform is one of the earliest systems of writing and is generally "written" in a wedge-shaped style. It took many years for people to translate these texts and it is known that these were lists people kept to keep track of their domesticated animals in their agricultural territory.