If a tree falls in a forest and no one is around, how can we determine its age?
Category: Knowledge · Difficulty: hard
Hint: Nature has a way of recording time.
Answer
By counting its growth rings
Explanation
Trees grow a new ring each year, which can be counted to determine their age.
This is a hard knowledge riddle — a tricky one that takes a little thought. The answer is By counting its growth rings.
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