Extra words in a sentence that add detail and are set off by commas are called nonessential elements. This is because they are not essential to the sentence and story, they are simply an added bonus, without them the sentence still makes sense.
Answer:
The sentence that contains both a simile and personification is the following one: My baseball glove wrapped itself around the ball like a mother holding her child.
It's subordinate. Meaning that it is dependent on the main clause.
Change happen to happened because it is past tense
