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

Question I was asked: Which are the best tools to use for growing and studying bacterial cultures?

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

Question I was asked: Which species have been on the Earth for the shortest amount of time?

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

Question I was asked:
Mount St. Helens was a cone-shaped mountain that formed when molten material reached the surface of Earth and formed layers. Cone-shaped mountains form as a result of which one of these events?