An eating disorder characterized by a refusal to eat enough food to maintain a reasonable body weight is

Anorexia Nervosa

Explanation:

It can be defined as the serous psychological condition in which is a  threatening eating disorder. Though its treatment id possible. This condition involves the threatening disorder in which the person has a fear of becoming fat.

It starts beginning during the teenage, early adulthood and even in the pre teens where the person is scared of eating food.

He or she thinks that they will become and suffer from obesity and thinking so makes them refuse the food that is ordered to them.

all soils contain mineral particles, organic matter, water and air the combinations determine the soil's properties – its texture, structure, porosity, chemistry and color. soil is made up of different-sized particles. sand particles tend to be the biggest.