The correct answer is 500-1000. If Jill wants to lose some weight, based on her weight and height, it would be best if she could cut at least 500-100 calories per day from her energy intake. This will be the most beneficial for her diet and desired outcome.
Air pressure (inside the lungs) is lowest when lung volume is highest, so the answer is B. when you breathe in your lungs expand, which makes the air molecules spread out, therefore the pressure is lower.
