Answer:
Saliva's normal pH range is between 6.2 and 7.6. It's average is like a 6.7. Saliva keeps a neutral pH balance and doesn't fall below 6.3 in the oral cavity.
Explanation:
I hoped this helped a little bit.
Life begun sortly after the earth formed 4.54 billion years ago but the conditions well they didn't call it the dark ages for no reason
Well what kind of disease are you trying to look for
Answer:
Plants are autotrophs because they can prepare their own food. Photosynthesis takes place in leaves. Leaves contain stomata that allow for the exchange of gases during the process, and also help with the process of transpiration.
