Question

Which acid-base buffer is most crucial to maintaining homeostasis within the human body?

A. a mixture of carbonic acid and bicarbonate
B. a mixture of nitric acid and nitrate
C. a mixture of acetic acid and acetate
D. a mixture of hydrochloric acid and chloride

Answer 1

e 2020 a

Step-by-step explanation:

Answer 2

it is a i believe: Bicarbonate and carbonic acid (A)