I am a cycle that never breaks, I am found in everything from the smallest grain to the largest mountain. What am I?
Category: Science · Difficulty: hard
Hint: Think about the transformation of materials in the Earth.
Answer
Rock cycle
Explanation
The rock cycle describes the continuous transformation of rock types through geological processes.
This is a hard science riddle — a tricky one that takes a little thought. The answer is Rock cycle.
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