It's probably the 3rd answer. It calls out those who want to ban smartphones and doesn't say where the the statements used in this excerpt come from. For example, it says that parents spend billions of dollars trying to stop cyber-bullying, but the excerpt doesn't say where this info came from.
<span>It uses a respectful tone but needs specific, credible evidence to support the claim. There is no credible evidence. The paragraph sounds more like the author is annoyed with the argument. While the author does call out parents and tells people they are using emotion to cloud their judgment, the author doesn't name call or shame anyone so I wouldn't say it uses a disrespectful tone. </span>
Someone with a heritage language may have difficulty learning English because they were not born into the language. People with heritage languages have different ways of spelling and pronouncing things. If someone who spoke English tried to learn a foreign language they would also have a hard time grasping the language too because of the spelling rules and how they pronounce their words.
