Respuesta :

Answer:

Your answer would be a buffer, they control pH levels.

Explanation:

Buffer is a substance that reacts with an acid or a base to control pH. Hence, option A is correct.

What is pH?

pH is a measure of how acidic/basic water is.

Buffers are solutions that resist a change in pH after adding an acid or a base. Buffers contain a weak acid (HA) and its conjugate weak base (A−).

Hence, option A is correct.

Learn more about pH here:

https://brainly.com/question/27945512

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