<span>A person who eats and sleeps too much is experiencing a depressive episode with psychotic features. Psychotic features can impact a person's mood negatively and cause them have hallucinations or delusional feelings of depressive themes such as worthlessness or lacking a sense of self-worth.</span>

Actually Welcome to the Concept of the Genes.
Basically a Polygenetic trait is controlled by two or more genes.
Examples of human polygenic inheritance are height, skin color, eye color and weight. Polygenes exist in other organisms, as well.
Your answer is leukocytes.
True - by a majority, at least. This would be because when a young child is growing up, they need a surplus of attention. when not provided it will cause the development of self and brain, and so understanding of others, to be hindered. With little compassion and bad habits comes dislike from peers.
8:C
9: A
10: B
11: C
12: B
13: A
14: B
15: A