Answer:
A 0.9% solution of NaCl (saline) is isotonic to animal cells. When exposing animal tissues to solutions, it is common to use an isotonic solution such as Ringer's buffered saline so as to prevent osmotic effects and consequent damage to cells.
Explanation:
hope this help
pick me as the brainliest
A,b I think should be the answer
Not enough info, but I'd go with:
B) hydrogen peroxide
<span>The amount of energy you'll get from carbohydrate, protein and fat is measured in calories per gram. Fats have the most energy and proteins have the same amount as carbohydrates, but their value as a source of energy is determined by more than the calories gained from one gram. Other factors, such as your activity level and diet, impact which macronutrient is used for energy.</span>