Fact 1: Amirror is used for reflecting light.

Fact 2: Light enters the camera through the lens and is reflected upward by the mirror to the ground glass.

Given the two facts above, answer the question "What redirects light in a camera?" with the following options: 
- cactuses
 - microscope
 - photons
 - electricity
 - The shutter
 - A mirror
 - A photo
 - The film


 

      A mirror   