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Author Question: An estimated ten million hectares of land are abandoned every year due to inefficient irrigation ... (Read 34 times)

go.lag

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on: Sep 10, 2018
An estimated ten million hectares of land are abandoned every year due to inefficient irrigation schemes.
 
  Indicate whether this statement is true or false.

Question 2

One of the potential difficulties in reducing CFC gases is that calculations have to consider the continued output of already existing devices in addition to new CFC sources.
 
  Indicate whether this statement is true or false.


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diana chang

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Reply #1 on: Sep 10, 2018
Answer to Question 1

Answer: True

Answer to Question 2

Answer: True


go.lag

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Reply 2 on: Sep 10, 2018
YES! Correct, THANKS for helping me on my review

xiazhe

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Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

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