Explain why diet especially energy intake should be related to age and physical activity of an individual

it's diluted or concentrated

in a diluted solution, you can add a lot more solute but in concentrated only a little more can be added

i got you i did it ya know what it is just needing to fill this in for a quick task!

the answer is z.

the human body has five levels of organization. level 1: cells. cells are the basic units of life and form the first level of organization. cells in the human body have specific functions. examples include nerve cells, blood cells, liver cells, and so on.