A. when a shark loses a tooth another takes it's place
Answer:
B, the ans is the Earth.
According to:
“The Blackfeet Genesis"
Old Man make the first people--mother and child were made out of clay.
"The Earth Only"
The earth will last forever.
"The Sky Tree"
Aataentsic throw herself down the hole after the tree because without tree, there can be no life.
They mentioned about nature so all of them leads to Earth.
Im guessing it would be a.
I would say 4, it seems a lot clearer than the other answers to me.