Either Give an Example or Prove That There Are None

question 10

Essay

either give an example or prove that there are none.
-A graph with 4 vertices that is not planar.

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Definitions:

Fear

An unpleasant emotion caused by the belief that someone or something is dangerous, likely to cause pain, or a threat.

Panic Disorder

An anxiety disorder characterized by sudden and unprovoked panic attacks.

Hyperventilation

A condition of breathing at an abnormally rapid rate, leading to a decrease in the carbon dioxide levels in the blood, which can result in symptoms such as dizziness or tingling in the limbs.

Panic Disorder

A psychiatric disorder characterized by unexpected and repeated episodes of intense fear accompanied by physical symptoms.