Short Answer: A
A really super writer could get away with putting the thesis statement in the conclusion of a paragraph piece. But present day English Departments have become very rigid about where the thesis is.
It is always in the introduction. The idea is that you have to guide your reader to the arguments that follow in the paragraphs to come between the introduction and the conclusion.
To segregate means to split. To separate, to spread apart.
Your answer: Separate.
It’s probably a) took
Depends on if it was in the past or present...
The appropriate answer would be C. It could lead to other health issues.
