Answer:
Research questions not only are important, they are fundamental for scientific research. The main reason is that a research question provides (or at least should provide) a viable way to investigate a complex scientific problem. For example, the problem of understanding the human mind has so many aspects and is so complex that you cannot hope to solve it without transforming it in so many research questions of much less scope than the original problem.
Answer:
he was considered a genius by marry
the stairway must have been placed by the trespasser
the car was given to me by my mate
I think the correct answer is D.
