Answer:
"research is not a straight line" can mean that it takes trial and error plus lots of effort to get the research needed/getting research isn't easy
Answer:
we
theirs
him
Explanation:
I replaced the underlined words with the pronouns I think is suitable
I’m not 100% sure of the people who spoke out to defend but there was punishment which resulted in death. They would drown them or execute them, I’m assuming they would do the same to the defenders in fear of them also being related to witchcrafts somehow
Answer:
You could say: sometimes the person lecturing repeats the same thing too many time without realizing it, it's tiresome for both you and the person lecturing, and lectures can be long.
ik this is a short answer, but I hope any of this helps.