*Question*: A person in a dark room looking through a window can clearly see a person outside in the daylight. But a person outside cannot see the person inside. Why does this happen?
*Answer*: There is not enough light being reflected off the person in the room.

*Question*: Which correctly arranges three scientific terms-theory, law, and hypothesis-from least to most accepted or tested?
*Answer*: hypothesis, theory, law

*Question*: 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?
*Answer*:
Marine fossils are found in mountain areas.