Answer: B. prevent the internal environment from changing
Explanation: homeostasis actually helps the internal environment keep a stable, constant, condition.
Answer:
D. Molecules from the food react with oxygen and release energy.
Cohesion is the term for molecules of a substance sticking together. One of the most common examples is water beading up on a hydrophobic surface. ... Because the water molecules' positive and negative charges are attracted to the positive and negative charges in the cellulose molecules in the paper.
You would add H+ ions if you added an acid. Thus lowering the pH.