Answer:
The discovery may have been <u>accidental</u>.
Explanation:
The group of sailors were simply trying to cook food over fire, not create glass.
Los perros llevan collares.
the dogs are wearing collars.
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.
I’m pretty sure the question is asking for your opinion. It’s asking if you like the movies based on the reviews.