None of the above is the correct answer.
<span>Bulimia nervosa an eating disorder that can be manifested by periods of binging on food (eating a large amount of food in a short time)<span> followed by purging. Some of the signs of this disorder are an obsession with food or eating, obsession with preventing weight gain or with your body, feeling as if once you start eating you won’t be able to quit etc.</span></span>
Using kilometers in space is useless, as the distances between objects is drastically incred. A lightyear is 9.5 kilometers. It is simpler to say "Alpha Centauri is 4.1 light years away" than it is to say "Alpha Centauri is 28.95 Trillion kilometers away"<span />
Answer: d- because a model is never exactly the same as the thing it represents
The answer for this is Density