Question

Which of the following is a scientific question that can be answered through experimentation?
a.
When looking at a map, you ask, "How are the borders of Germany determined?"
c.
When sitting with friends in class, you ask, "How many protons does an atom of iron have?"
b.
When talking to your teacher, you ask, "What is the definition of matter?"
d.
When looking at a building, you ask, "Will the materials used in this building withstand acid rain?"