Scientists have created an exact scale replica of a rover currently found on Mars and a miniature 3D landscape identical to that where the rover is currently located. Before sending the rover over the treacherous Martian landscape, they wish to try their model rover first. Which features make this a good model for the scientists to use?
A. It is simplified to leave out details, which makes it easier to understand.
B. It is based on sound scientific principles.
C. It can be used to make predictions.
D. It can be analyzed and shown to be reliable or un-reliable.