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Author Question: Humic substances consist of ________. A) dead plant & animal tissues B) living organisms and ... (Read 50 times)

skymedlock

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on: Jul 22, 2018
Humic substances consist of ________.
 
  A) dead plant & animal tissues
  B) living organisms and cells
  C) polymerized, non-identifiable molecules
  D) identifiable biomolecules
  E) all of the above

Question 2

After drying to eliminate the water in plant litter, which two elements account for about 80 of the dry weight?
 
  A) Ca and C B) N and S C) C and H D) N and C E) C and O


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joneynes

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Reply #1 on: Jul 22, 2018
Answer to Question 1

C

Answer to Question 2

E


skymedlock

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Reply 2 on: Jul 22, 2018
Wow, this really help

peter

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Reply 3 on: Yesterday
Excellent

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