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Author Question: Nitrogen fixation occurs by both natural and human processes. Indicate whether the statement is ... (Read 67 times)

penza

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on: Jul 14, 2018
Nitrogen fixation occurs by both natural and human processes.
 
  Indicate whether the statement is true or false.

Question 2

Both the nitrogen and phosphorus cycles have been heavily modified by humans, with profound effects on ecosystems.
 
  Indicate whether the statement is true or false.


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hugthug12

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Reply #1 on: Jul 14, 2018
Answer to Question 1

Answer: TRUE

Answer to Question 2

Answer: TRUE


penza

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Reply 2 on: Jul 14, 2018
Thanks for the timely response, appreciate it

rachel

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Reply 3 on: Yesterday
Wow, this really help

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