It only takes a few seconds to kick in.
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.
Vitamin A comes from leafy green vegetables, orange and yellow vegetables, tomato products, fruits, and some vegetable oils. It keeps eyes and skin healthy and helps protect against infections.
people with low self -esteem shows this characteristis
confident