He repeated words in the same line to add emphasis and show that they are important!! Hope this helps!!
The correct answer should be <span>how to change the oil in your car
Reasons to visit California and Why seat belts should be required are persuasive speeches because you are persuading your audience to visit California and make belts mandatory. Changing oil is informative because there's no opinion there or persuasion, just information.</span>
The sentence showing correct punctuation is Sentence 3. Since "girl" is a singular noun, the possessive form should be "girl's".
Sentences 1, 2 and 3 show incorrect representation of a singular possessive noun. The appropriate to use on these sentence is "girl's".