Which of the Following Would Occur When Lime Is Added

Multiple Choice

Which of the following would occur when lime is added to the surface of a soil at pH 6.0?

A) Earthworms would help move the limestone down into the soil profile.
B) Conservation tillage would increase the pH of the subsoil.
C) CO₂ from root and microbial respiration would quickly solubilize the CaCO₃ and increase its rate of downward movement.
D) Aluminum toxicity would increase in the vicinity of the limestone.
E) The release of H⁺ ions from the exchange complex would help reduce the soil pH.