You are presented with the question "What redirects light in a camera?" and the following answer choices: 
- cactuses
 - microscope
 - photons
 - electricity
 - The shutter
 - A mirror
 - A photo
 - The film

Now knowing that amirror is used for reflecting light and light enters the camera through the lens and is reflected upward by the mirror to the ground glass, choose the best answer.


 

      A mirror   