<h2>
Answer</h2>
Buffer controls the sudden change in the solution
<h2>
Explanation</h2>
Buffer prevents the sudden change in the pH. They keep the pH of the solution nearly constant. For example, in human Buffer solution helps to regulate the pH of human blood. The normal pH of the human blood is nearly 7.35 to 7.45 and a little change in this pH many leads the serious problems. Carbonic and bicarbonate buffers play a role in maintaining the acid base balance of the blood.
El intestino pequeño absorbe la mayoría de los nutrientes en los alimentos y el sistema circulatorio los pasa a otras partes del cuerpo donde son usados y guardados para más tarde
Answer:
<em>Controlled variables</em>
Explanation:
In a controlled experiment, the control group and the experimental groups are the same except for a factor in the experimental groups called a. variable parameter. In a controlled experiment, the factors that are kept the same between groups are called. controlled parameters.
