I just took a test in school today. What question was I asked?

Question I was asked: Which of the following correctly orders part of a fish's respiratory system from the least complex to most complex?

I just took a test in school today. What question was I asked?

Question I was asked: Which action most likely causes large rocks to become smaller pieces of rock?

I just took a test in school today. What question was I asked?

Question I was asked:
What causes the soil in a flood plain to be generally rich in nutrients?