In my opinion, the correct answer is B. <span>one adjective clause. This clause is "</span><span>which is perhaps the most famous border ever established by surveying methods". It modifies the subject ("The Mason-Dixon line"), providing an additional description for it.</span>
After test would be your answer for sure :)
Answer:
Summarizing an essay can help the reader to identify the important content and organize it in a way that makes it easier to understand.
Explanation:
The correct answer would be A because you need a comma in between the <em>A </em>and <em>S</em>
