They produce saliva which is essential for the breaking down of carbohydrates.
Answer:
It's a new disease so no one can be sure of how fast it spreads, how it spreads, its symptoms, or anything else about it. It's an outbreak because nothing or not much is known about it.
Perennial Shrubs I know it is late.
A buffer is a solution encompassing a weak acid and its conjugate base in alike amounts. This combination reduces the pH change upon addition of strong acid or base by converting H1+ (or OH1-) to weaker acids or bases. This primarily consist of compounds that stabilize the pH of a solution by removing or replacing hydrogen ions. Also, substances that resist change in pH.