Explain why the graph shown below does NOT have an Euler circuit. 
Definitions:
Absolute Thresholds
The minimum intensity of stimulation required to detect a particular sensory input 50% of the time.
Peripheral Vision
The part of vision that occurs outside the very center of gaze, allowing for the detection of stimuli and movement in a wider field around the direct line of sight.
Wavelength
The distance between successive crests of a wave, often used to describe the physical properties of electromagnetic waves such as light and radio waves.
Purity
The state of being free from contaminants, adulterants, or imperfections; often used in moral or ethical contexts.
Q10: <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB1043/.jpg" alt=" " class="answers-bank-image d-block" rel="preload"
Q14: Karen is constructing a pie graph to
Q21: The survey question "Since everybody likes baseball,
Q21: Use Kruskal's algorithm for minimum-cost spanning trees
Q48: In an Analysis of Variance Summary Table,
Q63: Find the point of intersection for the
Q83: What is the minimum time required to
Q84: Find the number of bins required using
Q86: Graph the feasible region identified by
Q100: Given the stemplot below, which description