<span>Peter's fidgeting with his pen-knife and Clarissa's use of her scissors during the conversation symbolize that they both have some aggression towards each other and their default way to converse is defensive.
</span><span>The description of Peter's thoughts suggests that he disapproves of Clarissa's lifestyle. --It is clear that Peter does not think Clarissa is doing anything worthwhile, and is judging her actions harshly compared to thinking of himself and his accomplishments very highly. </span>
Answer:
<em>Social media addiction is a behavioral addiction that is characterized as being overly concerned about social media, driven by an uncontrollable urge to log on to or use social media, and devoting so much time and effort to social media that it impairs other important life areas.</em>
Answer:
The last one is correctly punctuated.
Hope it helps you!!