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Author Question: Under aerobic conditions, the carbon in decaying vegetation in a lake ends up primarily as A) ... (Read 58 times)

panfilo

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on: Aug 27, 2018
Under aerobic conditions, the carbon in decaying vegetation in a lake ends up primarily as
 
  A) methane, CH4.
  B) cyanide, CN-.
  C) carbon monoxide, CO.
  D) carbon dioxide, CO2.

Question 2

An early source of phosphorus for agriculture was
 
  A) urea.
  B) bird droppings.
  C) superphosphate.
  D) all of the above


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lorealeza

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Reply #1 on: Aug 27, 2018
Answer to Question 1

D

Answer to Question 2

B


panfilo

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Reply 2 on: Aug 27, 2018
Gracias!

epscape

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Reply 3 on: Yesterday
Excellent

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