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Author Question: Early organisms played a role in the accumulation of free oxygen through the process of ... (Read 82 times)

cabate

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on: Jul 13, 2018
Early organisms played a role in the accumulation of free oxygen through the process of ___________________ _.
 Fill in the blank(s) with correct word

Question 2

What is the average rate of groundwater flow?
 A)a few kilometers a day
 B)a few meters a day
 C)a few centimeters a day
 D)a few millimeters a day
 E)imperceptible


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medine

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

photosynthesis

Answer to Question 2

C


cabate

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Reply 2 on: Jul 13, 2018
Thanks for the timely response, appreciate it

nguyenhoanhat

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Reply 3 on: Yesterday
:D TYSM

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