Answer: 2, They measure how rich in nutrients a food is.
Explanation: Just by process of emimination, I know that "heat a food can supply" has nothing to do with calories.
A. None is probably the best answer because it depends on how much you have it wouldn’t be safe either way
Answer:
A. Vena cava
Explanation:
The aorta can't be the answer because it is the largest artery in the human body and it carries oxygenated blood. The pulmonary artery carries deoxygenated blood into the lungs for oxygenation. The pulmonary veins transfer oxygenated blood from the lungs to the heart. And lastly, the vena cava is the right answer and it returns deoxygenated blood back into the heart.
