Answer:
The writer wants to strengthen his or her argument with an expert opinion.
Answer:
Due to the holes in history records
Explanation:
We can never truly be certain who invented the lightbulb, so people have different arguments about it
Answer:
"in" (y cualquier palabra posterior) fue ignorada debido a que hemos restringido las consultas hasta 32 palabras.
How many hours are you allowed to work each 14 hours period
