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

Question I was asked: The Heliocentric Theory, as supported by Copernicus, revolutionized scientific theories regarding

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

Question I was asked: Which of the following can cause erosion?

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

Question I was asked:
How long does it take for the Moon to rotate on its axis?