I believe the answer to this question is C.
Answer:
A buffer
Explanation:
A buffer is composed of a weak acid and a conjugate base. They are resistant to pH because of equilibrium between the acid and its conjugate base.
A person with clinical depression will experience at least four signs of the disorder for at least two weeks.
Pedialyte.
Start with a few teaspoons every 5 minutes. When they can drink without throwing up, try giving larger amounts.
Answer:
nausea and vomitting and blood in his stool
