How does humus contribute to the acidity of soil? A) The humus ...

[kfurse]

How does humus contribute to the acidity of soil?
 
  A) The humus contains a large proportion of amino acids that get released into the soil.
  B) The humus binds with hydroxide ions, which has the effect of increasing the hydronium ion concentration.
  C) In decomposing, the humus releases carbon dioxide which reacts with moisture to form carbonic acid.
  D) Humus contains many alkaloids that cause the pH of the soil to rise.

Question 2

Which of the following elements is a halogen?
 
  A) argon (Ar)
  B) lead (Pb)
  C) chlorine (Cl)
  D) indium (In)
  E) lithium (Li)

[amcvicar]

Answer to Question 1

C

Answer to Question 2

C

[kfurse]

Both answers were spot on, thank you once again

[amcvicar]

Great! Please up vote