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Author Question: From a long-term perspective, warm periods in Earth's climate are associated most with increased ... (Read 46 times)

DelorasTo

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on: Jul 13, 2018
From a long-term perspective, warm periods in Earth's climate are associated most with increased atmospheric concentrations of ___________________ _.
 Fill in the blank(s) with correct word

Question 2

Most of the oxygen in the Earth's atmosphere was produced through ___________________ _.
 Fill in the blank(s) with correct word


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ngr69

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Reply #1 on: Jul 13, 2018
Answer to Question 1

carbon dioxide

Answer to Question 2

photosynthesis


DelorasTo

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Reply 2 on: Jul 13, 2018
Excellent

AngeliqueG

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Reply 3 on: Yesterday
Gracias!

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