Why might a myth, such as the Chinese myth of Nu Wa, change the roles of characters over time?

answer; /// i believe that the correct answer is( it left behind rich

your mom

now im just trying to get this to 20 characters hope it works hey it works hope it okay bye

the causes of the dust bowls were severe droughts,   lands became dry and hard, temperature was higher than usual, hot and dry conditions killed crops, high winds. because of those factors, the winds kicked up dry soil and created clouds of dust.

is this question from a book? ?