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Author Question: Chickens were being raised by the Chinese about ____________________ B.C. Fill in the blank(s) ... (Read 151 times)

tsand2

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on: Jul 21, 2018
Chickens were being raised by the Chinese about ___________________ _ B.C.
 
  Fill in the blank(s) with the appropriate word(s).

Question 2

Animal manure can be used as raw material to produce ___________________ _ in gas digesters
 
  Fill in the blank(s) with the appropriate word(s).


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SeanoH09

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Reply #1 on: Jul 21, 2018
Answer to Question 1

1400

Answer to Question 2

methane


tsand2

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Reply 2 on: Jul 21, 2018
Excellent

momolu

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Reply 3 on: Yesterday
Gracias!

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