Talking politely to an older person in whom you are not very interested
thinking about two sides of an argument before making a decision
i believe it is these two.
<span>the third option is correct......The Curtain, a second theater in the area, was built.</span>
I don’t under stand srry............
In my opinion, the correct answer is B. one adjective clause. This clause is "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.