What Kind of Sentence is this?

Some examples of social media are Facebook, Twitter, Snapchat, and Youtube. 

Because people are addicted to social media, they waste time for prayers. (This is a compound sentence.)

Who is addicted to social media?  (This is a Simple Sentence.)

You will damage your eyes if you are always using your phone.

Because social media can be dangerous, people should be careful with their passwords, so they can protect themselves.

When people are addicted to social, they lose interest in work, and they gain weight.

Many people are addicted to social media, and they spend 4 to 5 hours on it everyday. 

Some effects of addiction to social media are diseases like eye damage and brain cancer.  

People use social media to communicate with other people.  

Are you addicted to social media?  

Many people use social media to have fun, earn money, and communicate with other people.