D is the correct answer I believe
Emerging adult Erum is a heavy social media user. This may strengthen/lead more to face-to-face friendships.
Erum's heavy usage of social media implies his engaging, interacting capacity with people, moreover strangers. All these signs indicate towards him being an extrovert which implies he can communicate more easily with people around him, thus, increasing friendships.
Further, social media provided him with more friends to interact personally with and build face-to-face friendships, also his conversing skills would have been furbished through this habit.
Whereas, a nonuser i.e. a person who doesn't use social media much tends to be isolated from the world outside and implies to be an introvert, thus fewer face-to-face interactions for him.
To learn who is an extrovert, click here brainly.com/question/7375078
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Answer:
Borderline personality disorder
Explanation:
Borderline Personality Disorder: The term Borderline personality disorder is also referred to with BPD.
BPD is defined as a condition or situation of an individual who finds difficulties in regulating various emotions. An individual experiencing BPD would feel intensive emotions for a very long period and it is often hard for the person to come back to the stable condition after being triggered by an emotional event.
This is one of the serious mental illness distinguished as having difficulty in relationships and intensive mood swings
Symptoms:
1. Unstable relationships.
2. Extreme emotional swings.
3. Fear of abandonment.
4. self-destructive behaviors.
5. Explosive anger.
In the question above, Sarah is most likely to be diagnosed with borderline personality disorder.
The proper format is

No one really "said" it; it is the equation that represents Einstein's Theory of Relativity.
Answer:
Respect towards each member of society, education, economic opportunities, safety, freedom of speech.
Explanation:
There are many aspects that are fundamental for a society to be successful, conflict-free, and to run smoothly. But one of the most important aspects, that goes hand-in-hand with education, is respect.
The more we respect and accept each other without judgement and if we allow every member of society to have freedom of speech, we are closer to a healthy environment and well-being. This value helps us to improve our relationship with other and with ourselves.
To this, we need to add safety and economic stability that also go hand-in-hand because a society with a high level of education and work opportunities is more likely to be a safe environment.
Education and respect, personally, are the most important factors.