I decay over time, releasing energy and particles that can be dangerous. Yet, I hold the key to understanding the universe's age. What am I?
Category: Science · Difficulty: expert
Hint: Think about elements that change over time.
Answer
Radioactive Isotope
Explanation
Radioactive isotopes decay at known rates, allowing scientists to date materials and understand geological timelines.
This is a expert science riddle — one of the harder riddles here. The answer is Radioactive Isotope.
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