I measure life from start to end, by counting ticks, but do not bend. What am I?

Category: Science · Difficulty: hard

Hint: Think about a way to measure Earth's history.

Answer

Geological time

Explanation

Geological time refers to the vast history of Earth's formation and changes, marked by significant geological and biological events.

This is a hard science riddle — a tricky one that takes a little thought. The answer is Geological time.

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