Question

Combine sentences by using a noun or a phrase in apposition:
Edison invented the gramophone. He was an American scientist.

• A. Edison who invented the gramophone was an American Scientist.
• B. Edison, an American scientist, invented the gramophone.
• C. Edison invented the gramophone.
• D. No change

Answer 1

Answer: (B)

Edison, an American scientist, invented the gramophone.

Two noun phrases put side by side in a clause to describe the same person or thing is called apposition. Here, Edison and "an American scientist" refer to the same person. Hence, Option B is correct. The rest of the options do not adhere to the goal, hence incorrect.