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Author Question: The actual age of rock layers and geologic events is referred to as ______________ geologic time. ... (Read 152 times)

Jipu 123

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The actual age of rock layers and geologic events is referred to as ______________ geologic time.
 Fill in the blank(s) with correct word

Question 2

Much of our energy comes from coal that was formed from plants that lived during the ______________ period.
 Fill in the blank(s) with correct word



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bulacsom

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Answer to Question 1

absolute, or numerical

Answer to Question 2

Pennsylvanian, or Carboniferous





 

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