Medium
Zoo Riddle
I've existed for Trillions of years, but only been around for 30 days. What am I?
Choose an answer
A.The sun
B.A star
C.The earth
D.The moon. You get a full moon every 30 days.
Answer: The moon. You get a full moon every 30 days.
While the moon itself is ancient, each full moon cycle only takes about 30 days to complete.