Well the would use a question mark
Answer:
It's passive
Explanation:
Because it's saying "Yesterday" so passive
Answer:
During the age of the industrial revolution, many technologies were created related to medical issues
as the technology also reached a peak during that time, scientists found the medicine for anesthesia
Before its invention, there were many people who were dying because of this disease
This invention saved the lives of millions of people
Explanation:
Answer:
i dont know what the other choices are but I would put "once"
Explanation:
