Some people are insecure, or downright untrustworthy of their surroundings. Usually, it's not your fault if they are fake towards you. They have usually adapted their fake selves on others that it becomes a normality.
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The principal is only talking about Amy while Ms Gaskell is talking about all the students so hers is more formal while the principals is more personal
Answer: C) News and information outlets such as Onlinecolleges.net report that 47 percent of students have used a mobile app for learning.
Explanation: When making an argument about a controversial topic, it is really important to support it based on reliable and serious sources, to make the argument valid. From the given statements, the one that is the most respectful and credible in supporting teen ownership and use of smartphones, is the corresponding to option C, because it gives the statistics of how many students use mobile apps for learning, which will help to support teen ownership and use of smartphones.