Answer:
a supernatural being
an explanation of natural phenomena
a conflict between beings
Step-by-step explanation:
A myth is a traditional story that tells about a historical event and which mostly involves supernatural characters who performed heroic acts. The story of Marduk involves characters who are supernatural. This means that there is no scientific explanation for their existence.
A natural phenomenon is also characterized here and this is seen in the formation of the vault of the heavens and earth. There is also a conflict between beings as can be seen in the fight between Marduk and Tiamat.