Adults do not need as many calories as a kid or teen, as they have stopped growing due to the slowed release of growth hormones within the body that tell it to grow.
The answer is '<span>A. Adults need fewer calories than kids and teens, so she needs to eat less'. </span>
Naturally existing nutrients vs frabricated nutrients means better resulting absortpion and less chance of getting to much of something that the body only needs a little of.
