An appositive is a noun or noun phrase that renames another noun right beside it, it can be short or long combination of words here's an example: The insect, a cockroach, is crawling across the kitchen table. i hope this helps you :)
Answer:
The United Nations works to bring countries together.
Explanation:
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When you read an article, you should analyze the source of the information because to make sure that it is from a reputable, reliable place or source. If we rely on articles that does not base everything in facts and not reliable, it would create confusion and it creates problems.
The answer would be letter C.