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Author Question: The fact that the Earth's orbit around the sun changes over time is called ____________________. ... (Read 102 times)

SO00

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on: Jul 15, 2018
The fact that the Earth's orbit around the sun changes over time is called ___________________ _. Fill in the blank(s) with the appropriate word(s).

Question 2

Finely laminated, alternating light and dark layers of sediment deposited in a glacial lake are known as
  glacial ___________________ _. Fill in the blank(s) with the appropriate word(s).



lin77x

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Reply #1 on: Jul 15, 2018
Answer to Question 1

orbital eccentricity

Answer to Question 2

varves


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