An obese adolescent who has short stature and is hyperphagic is diagnosed with hypogonadism. which congenital disorder may be present in this adolescent?

Prader-Willi syndrome

Prader-Willi syndrome is a congenital disorder that influences many parts of the body. Its distinguishing features are hypogonadism , difficulty in feeding, hypotonia, stunted growth and development. The onset of this syndrome causes an infected individual to develop an insatiable appetite which may result in chronic overeating (hyperphagia) and overweight. For the question given above, Prader-Willi syndrome disorder may be present in this adolescent.

What's the yellow wallpaper?

By water evaporation from the leaves is created a negative pressure at the top of the tree that promotes the ascension  of the water through channels that are called xylem. there are also two molecule forces that are involved: the intra-water molecules cohesion (water molecules stick to each other) and the adhesion when the water molecules stick to the channels they are running in. this is what enables water to go from the roots to the top of a tall tree.