Which sentence from "The World on Turtle's Back" best illustrates why the story is considered a creation myth?

Question

The woman created a home for herself on this new earth and soon her daughter was born.
She told them that if they could find some soil, she could plant the roots from the Great Tree that were still tangled in her hands.
The woman placed the dirt on Turtle’s back and performed a ritual to create the earth.
She is called “our mother” and the people dance and sing to her to make the plants grow.

Answer 1

The sentence "The woman placed the dirt on Turtle’s back and performed a ritual to create the earth." best illustrates why the story is considered a creation myth.