Answer:
the 2nd one makes more sense
Explanation:
In a way, all of the options are correct: but most of them are not very explicit and too general. For example, a formal scientific study will as a result provide some insight into the topic: but this is not the direct goal of the study.
The best answer is that formal, scientific studies have the aim of testing the hypothesis- this is the correct answer.
Answer:
The rain was coming down like a waterfall.
Explanation:
A metaphor uses like or as.
'It was raing cats and dogs' is an idiom
