Answer:
p1s3: In my opinion, mobile devices are helpful for everyone because we can use them as a resource.
p2s1: First of all, people who are very anti-social in person tend to be more outgoing on screen.
p2s4: For example, when someone is shy, social media can help them feel more connected to others, because they feel more comfortable expressing themselves.
p3 last 2 sentences: For instance, there are times when someone wants the definition of a word they don't know, so they look online. In sum, mobile devices are not only used for entertainment, but as a resource for many kids around the world.
p4s1: Finally, mobile phones help people stay connected.
p4s3: In addition, social media can be used to keep relationships alive by staying connected through calls and texts.
p4s5: In a nutshell, social engagements are a very important part of relationships.
p5: In the end, many people...
I might add some later
Answer:
Style: the writers way of using language
Purpose: the reason for writing a text
Tone: the attitude a writer expresses
Audience: the intended readers of a text
Politeness could be both! It could be all good manners, but it also could be good lying. If this isn't what you are looking for, please explain more clearly.
You should do missing assignments and extra credit