A) No
B) Yes

question 2

Multiple Choice

$$\begin{array}{l}\text { Is the system shown closed under the operation? }\\\begin{array} { c | c c c c } * & q & r & s & t \\\hline q & t & s & r & q \\r & s & q & t & r \\s & r & t & q & s \\t & q & r & s & t\end{array}\end{array}$$

• A) No
• B) Yes

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Definitions:

Negative Emotions

Feelings that are generally considered to be unpleasant or undesirable, such as sadness, anger, fear, or jealousy.

Internet Addiction

A psychological disorder characterized by excessive or poorly controlled preoccupations, urges, or behaviors regarding internet use that lead to distress or impairment.

Meta-analysis

A statistical technique that combines the results of multiple scientific studies to arrive at a conclusion about a body of research.

Aggressive Manner

Behavior characterized by assertiveness, dominance, and sometimes hostility, aimed at achieving one's objectives.