Answer:
this is one hella tricky question
U cant adapt to chemical changes
Because simple carbs are things with lots of fats such as your fried foods, your gressy foods, and junk foods. But complex carbs are your veggies and fruits and lean protiens like fish or chicken so its not as bad for you.
Actually girls grow more than boys because girls develope faster and mature faster.
I believe it is metaphor, but i am not a 100% sure