They're used by humans for fossil fuel and in entertainment. They were not created by the human race, they were created through thousands of being underground and soft tissues quickly decompose leaving the hard bones or shells behind. Over time sediment builds over the top and hardens into rock.
It's Odysseus and not Ulysses if this is Greek mythology (hence Zeus). That Greek God is Hermes, or Mercury if in Roman mythology (hence ulysses). Use Mercury or Hermes depending if it's Roman or Greek mythology. Determine which one is which as your question mixes the mythologies up.
Answer:0 to record the geography on and along the Mississippi River (i like your profile picture got a tiktok)
Explanation: