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Author Question: Of the following anthropogenic methane (CH4 ) sources, which is the largest? A) livestock B) ... (Read 146 times)

Cooldude101

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on: Jul 14, 2018
Of the following anthropogenic methane (CH4 ) sources, which is the largest?
 
  A) livestock
  B) wastewater treatment
  C) agriculture associated fires
  D) rice paddies

Question 2

Present atmospheric methane (CH4 ) concentrations are at approximately______ __ ppb.
 
  A) 750
  B) 1000
  C) 1500
  D) 1800


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nanny

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

A

Answer to Question 2

D


Cooldude101

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Reply 2 on: Jul 14, 2018
Great answer, keep it coming :)

raenoj

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Reply 3 on: Yesterday
Wow, this really help

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