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>
Answer: alimentary canal
Explanation: The alimentary canal is the long tube of organs — including the esophagus, stomach, and intestines — that runs from the mouth to the anus
Answer: <u><em>The child of a smoker</em></u> is at risk from exposure to secondhand smoke.
Explanation:
Many scientific articles have been written based on research done over the years. Many of these articles state that if a person was introduced to second hand smoke before the age of 25, are the ones most likely to get cancer or other respiratory diseases. Many of these people were exposed since birth.
Answer:
digestion of food, absorption of nutrients, and elimination of solid food waste.
Explanation:
