Which of the following is characteristic of a person with anorexia? Eating a lot of food.
Eating very little food.
Vomiting after eating.
Abusing laxatives.

Physical signs and symptoms of anorexia may include:

So it the answer would be :

the number of protons in the nucleus of a given element. has slight luster and conducts electricity at high temperatures like metal.but like a nonmetal,boron is brittle and does not conduct electricity well at low temperatures. in graphite, carbon is a soft,brittle solid.it is reflective,ductile,or malleable.