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

Question I was asked: A student uses a high-efficiency gasoline lawnmower to cut grass. The term "high efficiency" is used to indicate that the lawnmower

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

Question I was asked: The surface of Earth is constantly changing. Which of these findings provides the best evidence that the crustal surface of Earth has changed over time?

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

Question I was asked:
A student crumples up a sheet of paper. Which property of the paper has changed?