If by buffer you mean dilute or cancel out a 12 ph level is a base so you need to add the equal and opposite amount of acid to it....kind of like how -1+1=0
hope this helps im learning about this too!
Answer:
12:90,13:true,14:youth bulge
Answer:
major crops in permanent agriculture includes trees and shrubs.these are not totation crops,harvesting for more then five years.for example apple,citrus fruits,blueberry etc.
these crops need afuquate temperature and good soil for cutivation.
The medulla oblongata<span> helps regulate breathing, heart and blood vessel </span>function<span>, digestion, sneezing, and swallowing. </span>
Crossing over gives the offspring sort of a genetic variation twist. This will mix our two genes and make them diverse, but together.
