CLEP Western Civ I

Answer: C - Neptune was the Roman god of the seas and earthquakes. He was also the patron of horseracing. His Greek counterpart was Poseidon. (Vulcan was the Roman god of technology and blacksmiths, whose Greek counterpart was Hephaestus. Jupiter was the Roman god of the sky and thunder, who was also the king of the gods. His Greek counterpart was Zeus.)