I exist in cycles, influencing seasons and tides, yet I cannot be held. What am I?
Category: Science · Difficulty: hard
Hint: Consider the celestial body that affects the ocean.
Answer
A lunar cycle
Explanation
A lunar cycle describes the phases of the moon, while the other options are related but different concepts.
This is a hard science riddle — a tricky one that takes a little thought. The answer is A lunar cycle.
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