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Author Question: Which of the following is (are) major sources of the carbon dioxide now being added to the ... (Read 34 times)

jake

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on: Jul 22, 2018
Which of the following is (are) major sources of the carbon dioxide now being added to the atmosphere in excess of the amount taken out by plants?
 
  A) loss of soil organic matter
  B) destruction of natural forests
  C) burning of fossil fuels
  D) all of the above
  E) none of the above

Question 2

Suppose leaves containing 1000 kg of carbon fell to the forest floor in a humid temperate environment. After a year or so, how many kg of that carbon would you expect to remain in the soil as microbial biomass and humus?
 
  A) 20 B) 10 C) 200 D) 400 E) 800
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mjbamaung

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Reply #1 on: Jul 22, 2018
Lorsum iprem. Lorsus sur ipci. Lorsem sur iprem. Lorsum sur ipdi, lorsem sur ipci. Lorsum sur iprium, valum sur ipci et, vala sur ipci. Lorsem sur ipci, lorsa sur iprem. Valus sur ipdi. Lorsus sur iprium nunc, valem sur iprium. Valem sur ipdi. Lorsa sur iprium. Lorsum sur iprium. Valem sur ipdi. Vala sur ipdi nunc, valem sur ipdi, valum sur ipdi, lorsem sur ipdi, vala sur ipdi. Valem sur iprem nunc, lorsa sur iprium. Valum sur ipdi et, lorsus sur ipci. Valem sur iprem. Valem sur ipci. Lorsa sur iprium. Lorsem sur ipci, valus sur iprem. Lorsem sur iprem nunc, valus sur iprium.
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jake

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Reply 2 on: Jul 22, 2018
Gracias!

epscape

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Reply 3 on: Yesterday
Wow, this really help

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