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What do scientist use to study pre-Cambrian time?
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What do scientist use to study pre-Cambrian time?

User Hudec
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They study rocks for sure
User RealityMonster
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Answer:

Rocks.

Step-by-step explanation:

Scientists study rocks from the Precambrian period because isn't really a significant fossil record from the Precambrian.

User GandhiGandhi
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