I believe that Patty appears to suffer from Aneroxia Nervosa. This is an eating disorder characterized by persistent energy intake restriction, intense fear of gaining weight and disturbances in self perceived weight or shape like with Patty.This sometimes happens when some people are restricting their food and weight as a way of controlling areas of life that feel out of their control and their body image.
I think the correct answer from the choices listed above is option D. Human height is determined by several genes located on different chromosomes which is an example of a polygenic trait. These traits are being controlled by more than one gene. Hope this answers the question.
Answer:
True.
Explanation:
The earth system is itself an integrated system, but it can be subdivided into four main components, sub-systems or spheres: the geosphere, atmosphere, hydrosphere and biosphere. These components are also systems in their own right and they are tightly interconnected.