What does it mean when someone says “water on earth is like a one global well”?

How does the author's purpose affect his or her text structure

Read the excerpt from "the blackfeet creation." how do readers know that this excerpt is from a myth? the excerpt describes an animal called a muskrat. the excerpt describes old man drying the mud. the excerpt describes old man scattering mud over water. the excerpt describes how muskrat create land.

When mrs. jameson says "it (the desert) won't leave you cold," what does she mean?