The answer to this question would be <span>A.) It provides energy and fights infections.
The nutrient is a substance that needed to maintain life. This included carbohydrate which gives most energy, an amino acid that makes protein and used for making cells, or vitamin for reaction coenzyme.
The option in this question is not clear and I think all of them can be said as a benefit of nutrient. The option A is about carbohydrate, option B and C about protein/amino acid and option C about vitamin.
But the most vital need for an organism is energy, so I think A will be the best option if you need to choose only one.</span>
- Macronutrients are nutrients which we should eat in large quantities while micronutrients are those which we should consume in smaller quantities.
- Macronutrients are carbohydrates, fats, proteins and water.
- Micronutrients are vitamins and minerals.
Your question is not clear. However you can get an idea from the above information what your answer might be.
Doubt clarification - use comment section.
Answer:
I am thinking B since dermatologist deal with skin
D. All of the above is the answer.