text: Secondly, this face on mars could be a rock. The world has seen many of weird shaped rocks to consider that the face was a weirdly shaped rock. In the passage it says " A few days later NASA unveiled the image for all to see. The caption noted a huge rock formation . . . which resembles a human head . . . formed by shadows giving the illusion of eyes, nose, and mouth. The authors reasoned it would be a good way to engage the public and attract attention to Mars." The thing about rocks are that they can come from anywhere, can be found anywhere, can look like anything, and can be anything. Therefore it is a rock, a weirdly shaped one.