Teenagers require more energy because they are still growing, using up more energy and nutrients than adults would depending on factors like how active they are.
A balanced diet is a diet that contains the proper proportions of carbohydrates, lipids/fats, proteins, vitamins, minerals, and water necessary to maintain good health.
\Chromosomes are thread like structures found in the nucleus
The correct answer is B.
Just a quick note, please dont click on any links (just like the answer above me) that supposedly answers your question. Just don’t, it seems sus.