Answer:
The correct answer is option D. "Carefully select foods rich in nutrients but low in kcalories".
Explanation:
One of the most common mistake of people following a dietary plan is to forget about the quality of food they are eating and focusing on the amount of kilocalories only. In this case, Margaret needs to limit her kilocalorie intake without sacrificing needed nutrients. Therefore, she needs to Carefully select foods rich in nutrients but low in kilocalories. This is particularly important for Margaret, because she is an elderly woman that should not limit they nutrients intake.
"C. a toy train" is the item that has characteristics similar to a scientific model Scientific models do a reasonably good job of predicting what will happen in the real world, much like a toy train following a track.
The answer is A. Think of stomach acid when you think of pH the stomach acid degrades and mushes the food up making it easier to digest. So acid rain will make the water acidic hurting the environment
Answer:
it allows a cell to regulate the movement of materials into and out of a cell.