Why does spring occur in the southern hemisphere when fall occurs in the northern hemisphere

As the northern hemisphere is moving towards shorter days and the cold winter, the southern hemisphere is watching the snows melt and the flowers bloom during their spring.

aliens are not real, the myth was created about 700 years ago because people found markings in the field of their crops. also, no there were no aliens on the moon.

hope this ! give brainliest!

answer; i believe the correct answer is prefrontal cortex;