Answer:
A) Starving and doing what it can to get energy
Explanation:
The body uses carbohydrates and fat as main energy source. Aminoacids are used as energy source on a high protein diet as its exceds the amount needed for protein synthesis, or on starvation. In this second case, the aminoacids comes from the degradation of muscle proteins.
Answer:
I would say that meat is more energy efficient than vegetables because meat have more calories than vegetables do. Calories equal energy. For example, vegetables have an average calorie of 10 - 90 calories. While meat has 100 - 1200 calories. So, if calorie equals energy, I would say that calories are the reason why meat has more energy in it.
Explanation:
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