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:
please make your question make sense
Explanation:
Answer:
im just new too writing but
Explanation:
try to not things sound kiddish or forced sry
Answer:
"Historians have spent years trying to crack language codes.
Explanation:
This one gives background on having to decode something meaning they are trying to figure out what the language or thing is.
Answer:
talented
Explanation:
Because not everyone can play a paino