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

Question I was asked: Fossil records indicate that Earth was first inhabited by bacteria-like organisms. These organisms

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?

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

Question I was asked:
For many years, people have been curious about the stars. In the past, people have shared what they knew about the stars through stories and drawings. Which pair of tools would be most helpful for people today to gather and share information about stars?