Why might soil with a very low pH be more susceptible to leaching?
A) The acid ions exchange with the nutrient ions, which then are rinsed away.
B) The acid ions decompose the vitamins and minerals stored in the roots.
C) The base ions start to degrade the minerals and lead to insoluble ion salts.
D) The base ions decompose the vitamins and minerals stored in the roots and suck the valuable minerals into the water.
E) none of the above
Question 2
What is the functional group that links amino acids together to form proteins?
A) an amide
B) a carboxylate
C) an ether
D) an amine
E) a hydrocarbon