1) Social media and technology have given teenagers more ways to act negatively toward each other. 2) Teens say they believe social media has a positive impact on their lives, with some reporting that it makes them feel "depressed, less popular, less confident, and worse about themselves." 3) These teens are being bullied or are judging themselves because of what they see or experience through technology. 4) Teens should be monitored when they are online to prevent them from acting negatively toward each other.

Which sentence should be revised because it presents conflicting information?

Which sentence should be revised because it shows bias?