The words “dad”, “gag”, and “yay” are three letters, the first and last letter are the same, and the letter in between is an “a”
Is this the audio based question?
Answer:
Options "A"
Explanation:
The grammatical construction is correct and makes meaning.
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.
an image of a small region in the constellation Ursa Major, constructed from a series of observations by the Hubble Space Telescope.