What does the author see as the function of the universe's unseen "switches"?A.They tell u
What does the author see as the function of the universe's unseen "switches"?
A.They tell us which one of the tracks the universe will use.
B.They give us information about the lunar surface.
C.They enable us to alter the course of the universe.
D.They determine which course the universe will take in the future.