The answer is A. Pathways to Preosperity.
Answer:
Germany is Switzerland's biggest trading partner
Well when scientists wish to learn something, they use the scientific method. The first step is to observe something/could be a problem. Then ask a question about it. Form a hypothesis, or a possible answer to that question. These are the first steps.
Further steps include setting up an experiment and results, etc, but I think you know the rest! Hope this helps!
The correct answer is hail
The answer to this question is C
