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HELP PLEASE!!! Which era does the rock of the Canadian Shield date back too? a. Paleozoic b. Precambrian c. Cenozoic d. Mesozoic
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HELP PLEASE!!! Which era does the rock of the Canadian Shield date back too?

a. Paleozoic

b. Precambrian

c. Cenozoic

d. Mesozoic

User Canbax
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1 Answer

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Answer:

I believe it is the Precambrian era. I could be wrong though.

Step-by-step explanation:

User Jumah
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