Answer:
The word "protracted" means lasting longer than expected, or unusually long, so what protracted most clearly means based on the context of the excerpt is how the time period of celestial motion studies must have lasted unusually long.
Answer:
to know the voice in poetry
Answer:
The answer is B, B is an anology because it is comparing a piano to an old horse
Blank verse for is c) a type of verse with no rhyme scheme but a meter in iambic pentameter.
Shakespeare often wrote in blank verse, many of his plays (if not all) were written in this type of verse.
Probably C :)))))))))))))))
