is this helpful??
Explanation:
Thomas Edison created many inventions, but his favorite was the phonograph. While working on improvements to the telegraph and the telephone, Edison figured out a way to record sound on tinfoil-coated cylinders. In 1877, he created a machine with two needles: one for recording and one for playback.
Answer is b newer one is the best
I am certain your answer is 4.
To me, it makes the most sense and I think anyone else can agree.
Hope I helped, and good luck!
commas, dashes, or parentheses
Nonessential appositive phrases can be separated from the rest of a sentence in three ways—with commas, with dashes, or with parentheses. Let’s look at example sentences that essentially mean the same thing:
The best pet in the world, a dog, will always be known as “man’s best friend.”
The best pet in the world—a dog—will always be known as “man’s best friend.”
The best pet in the world (a dog) will always be known as “man’s best friend.”