Landfill is a carefully designed structure built into or on top of the ground in which trash is isolated from the surrounding environment (such as rain and air ). This isolation is accomplished with a bottom liner and everyday it is covering with soil.
Answer:
some of the weak-acid component of the buffer will dissociate and turn into the conjugate base (which is the weak-base component of the buffer) thus replenishing most of the protons removed.
I'm pretty sure your answer is correct :)
