[Answered] The Phanerozoic eon and the Paleozoic era began about _____________

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Author Question: The Phanerozoic eon and the Paleozoic era began about ______________ million years ago. Fill in the ... (Read 43 times)

sarasara

Hero Member
Posts: 521

on: Jul 28, 2018

The Phanerozoic eon and the Paleozoic era began about ______________ million years ago.
Fill in the blank(s) with correct word

Question 2

Reasonable values for the absolute ages of sedimentary rocks are frequently determined by relating them to ______________ rocks whose absolute ages have been determined.
Fill in the blank(s) with correct word

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chereeb

Sr. Member
Posts: 326

Reply #1 on: Jul 28, 2018

Answer to Question 1

545

Answer to Question 2

igneous

sarasara

Hero Member
Posts: 521

Reply #2 on: Jul 28, 2018

chereeb

Sr. Member
Posts: 326

Reply #3 on: Jul 28, 2018

You're welcome

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