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:
B a run on sentence
Explanation:
This a Run on Because the Sentence has no punctuation or any thing.
C a bird, mainly because a wall, a perch, and light o not have wings. the comparison is made because they want the reader to understand how love can fly
Answer:
C. the one you have selected
Explanation:
hope this helps:)
