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Author Question: Which is the least inclusive division of the geologic time scale? a. eras b. epochs c. periods ... (Read 63 times)

geodog55

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Which is the least inclusive division of the geologic time scale?
 
  a. eras
  b. epochs
  c. periods
  d. eons

Question 2

What are the dates of the Precambrian?
 
  a. 4.5 million to 60,000 years ago
  b. 248 million to 65 million years ago
  c. 4.5 billion to 543 million years ago
  d. 5.43 billion to 45 million years ago



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honnalora

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Answer to Question 1

Correct Answer: b

Answer to Question 2

Correct Answer: c





 

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