Choose the best answer.
The phenomenon of a mirage, which is an atmospheric optical illusion in which an observer sees a nonexistent body of water, can be explained by two facts. First, light rays are bent in passing between media of differing densities. Second, the boundary between two such media acts as a mirror for rays of light coming in at certain angles.
Which of the following is true?
Light rays are united in one bunch.
This phenomenon can`t be explained yet.
The line between two media works as a reflector.
Mirage can be seen only in deserts.
The weather influences the appearance of mirage.
